Fixed typo and improved SoundSynthesis example comments.
Updated to LuaJIT 2.0.3. Closes #266.
Fix particle emitter, add radial particle in sample.
Build both armeabi and armeabi-v7a ABIs when packaging for Android.

- Fix android toolchain to correctly set the library output path when ANDROID_ABI build option changes.
- For Travis CI - download and setup Android SDK on the fly when performing Android packaging.
- Final apk is included in the binary package.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Bin/Data/LuaScripts/25_Urho2DParticle.lua
	Bin/Data/Scripts/25_Urho2DParticle.as
	License.txt
	Readme.txt
	Source/Samples/25_Urho2DParticle/Urho2DParticle.cpp
	Source/Samples/29_SoundSynthesis/SoundSynthesis.cpp
	Source/ThirdParty/LuaJIT/COPYRIGHT
	Source/ThirdParty/LuaJIT/README
	Source/ThirdParty/LuaJIT/dynasm/dasm_arm.h
	Source/ThirdParty/LuaJIT/dynasm/dasm_arm.lua
	Source/ThirdParty/LuaJIT/dynasm/dasm_mips.h
	Source/ThirdParty/LuaJIT/dynasm/dasm_mips.lua
	Source/ThirdParty/LuaJIT/dynasm/dasm_ppc.h
	Source/ThirdParty/LuaJIT/dynasm/dasm_ppc.lua
	Source/ThirdParty/LuaJIT/dynasm/dasm_proto.h
	Source/ThirdParty/LuaJIT/dynasm/dasm_x64.lua
	Source/ThirdParty/LuaJIT/dynasm/dasm_x86.h
	Source/ThirdParty/LuaJIT/dynasm/dasm_x86.lua
	Source/ThirdParty/LuaJIT/dynasm/dynasm.lua
	Source/ThirdParty/LuaJIT/src/host/buildvm.c
	Source/ThirdParty/LuaJIT/src/host/buildvm.h
	Source/ThirdParty/LuaJIT/src/host/buildvm_asm.c
	Source/ThirdParty/LuaJIT/src/host/buildvm_fold.c
	Source/ThirdParty/LuaJIT/src/host/buildvm_lib.c
	Source/ThirdParty/LuaJIT/src/host/buildvm_peobj.c
	Source/ThirdParty/LuaJIT/src/host/genminilua.lua
	Source/ThirdParty/LuaJIT/src/host/minilua.c
	Source/ThirdParty/LuaJIT/src/jit/bc.lua
	Source/ThirdParty/LuaJIT/src/jit/bcsave.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_arm.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_mips.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_mipsel.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_ppc.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_x64.lua
	Source/ThirdParty/LuaJIT/src/jit/dis_x86.lua
	Source/ThirdParty/LuaJIT/src/jit/dump.lua
	Source/ThirdParty/LuaJIT/src/jit/v.lua
	Source/ThirdParty/LuaJIT/src/lib_aux.c
	Source/ThirdParty/LuaJIT/src/lib_base.c
	Source/ThirdParty/LuaJIT/src/lib_bit.c
	Source/ThirdParty/LuaJIT/src/lib_debug.c
	Source/ThirdParty/LuaJIT/src/lib_ffi.c
	Source/ThirdParty/LuaJIT/src/lib_init.c
	Source/ThirdParty/LuaJIT/src/lib_io.c
	Source/ThirdParty/LuaJIT/src/lib_jit.c
	Source/ThirdParty/LuaJIT/src/lib_math.c
	Source/ThirdParty/LuaJIT/src/lib_os.c
	Source/ThirdParty/LuaJIT/src/lib_package.c
	Source/ThirdParty/LuaJIT/src/lib_string.c
	Source/ThirdParty/LuaJIT/src/lib_table.c
	Source/ThirdParty/LuaJIT/src/lj_alloc.c
	Source/ThirdParty/LuaJIT/src/lj_api.c
	Source/ThirdParty/LuaJIT/src/lj_arch.h
	Source/ThirdParty/LuaJIT/src/lj_asm.c
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	Source/ThirdParty/LuaJIT/src/lj_asm_ppc.h
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	Source/ThirdParty/LuaJIT/src/lj_bc.c
	Source/ThirdParty/LuaJIT/src/lj_bc.h
	Source/ThirdParty/LuaJIT/src/lj_bcdump.h
	Source/ThirdParty/LuaJIT/src/lj_bcread.c
	Source/ThirdParty/LuaJIT/src/lj_bcwrite.c
	Source/ThirdParty/LuaJIT/src/lj_carith.c
	Source/ThirdParty/LuaJIT/src/lj_carith.h
	Source/ThirdParty/LuaJIT/src/lj_ccall.c
	Source/ThirdParty/LuaJIT/src/lj_ccall.h
	Source/ThirdParty/LuaJIT/src/lj_ccallback.c
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	Source/ThirdParty/LuaJIT/src/lj_cconv.c
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	Source/ThirdParty/LuaJIT/src/lj_cdata.c
	Source/ThirdParty/LuaJIT/src/lj_cdata.h
	Source/ThirdParty/LuaJIT/src/lj_clib.c
	Source/ThirdParty/LuaJIT/src/lj_clib.h
	Source/ThirdParty/LuaJIT/src/lj_cparse.c
	Source/ThirdParty/LuaJIT/src/lj_cparse.h
	Source/ThirdParty/LuaJIT/src/lj_crecord.c
	Source/ThirdParty/LuaJIT/src/lj_crecord.h
	Source/ThirdParty/LuaJIT/src/lj_ctype.c
	Source/ThirdParty/LuaJIT/src/lj_ctype.h
	Source/ThirdParty/LuaJIT/src/lj_debug.c
	Source/ThirdParty/LuaJIT/src/lj_debug.h
	Source/ThirdParty/LuaJIT/src/lj_def.h
	Source/ThirdParty/LuaJIT/src/lj_dispatch.c
	Source/ThirdParty/LuaJIT/src/lj_dispatch.h
	Source/ThirdParty/LuaJIT/src/lj_emit_arm.h
	Source/ThirdParty/LuaJIT/src/lj_emit_mips.h
	Source/ThirdParty/LuaJIT/src/lj_emit_ppc.h
	Source/ThirdParty/LuaJIT/src/lj_emit_x86.h
	Source/ThirdParty/LuaJIT/src/lj_err.c
	Source/ThirdParty/LuaJIT/src/lj_err.h
	Source/ThirdParty/LuaJIT/src/lj_errmsg.h
	Source/ThirdParty/LuaJIT/src/lj_ff.h
	Source/ThirdParty/LuaJIT/src/lj_ffrecord.c
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	Source/ThirdParty/LuaJIT/src/lj_frame.h
	Source/ThirdParty/LuaJIT/src/lj_func.c
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	Source/ThirdParty/LuaJIT/src/lj_gc.c
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	Source/ThirdParty/LuaJIT/src/lj_gdbjit.c
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	Source/ThirdParty/LuaJIT/src/lj_obj.h
	Source/ThirdParty/LuaJIT/src/lj_opt_dce.c
	Source/ThirdParty/LuaJIT/src/lj_opt_fold.c
	Source/ThirdParty/LuaJIT/src/lj_opt_loop.c
	Source/ThirdParty/LuaJIT/src/lj_opt_mem.c
	Source/ThirdParty/LuaJIT/src/lj_opt_narrow.c
	Source/ThirdParty/LuaJIT/src/lj_opt_sink.c
	Source/ThirdParty/LuaJIT/src/lj_opt_split.c
	Source/ThirdParty/LuaJIT/src/lj_parse.c
	Source/ThirdParty/LuaJIT/src/lj_parse.h
	Source/ThirdParty/LuaJIT/src/lj_record.c
	Source/ThirdParty/LuaJIT/src/lj_record.h
	Source/ThirdParty/LuaJIT/src/lj_snap.c
	Source/ThirdParty/LuaJIT/src/lj_snap.h
	Source/ThirdParty/LuaJIT/src/lj_state.c
	Source/ThirdParty/LuaJIT/src/lj_state.h
	Source/ThirdParty/LuaJIT/src/lj_str.c
	Source/ThirdParty/LuaJIT/src/lj_str.h
	Source/ThirdParty/LuaJIT/src/lj_strscan.c
	Source/ThirdParty/LuaJIT/src/lj_strscan.h
	Source/ThirdParty/LuaJIT/src/lj_tab.c
	Source/ThirdParty/LuaJIT/src/lj_tab.h
	Source/ThirdParty/LuaJIT/src/lj_target.h
	Source/ThirdParty/LuaJIT/src/lj_target_arm.h
	Source/ThirdParty/LuaJIT/src/lj_target_mips.h
	Source/ThirdParty/LuaJIT/src/lj_target_ppc.h
	Source/ThirdParty/LuaJIT/src/lj_target_x86.h
	Source/ThirdParty/LuaJIT/src/lj_trace.c
	Source/ThirdParty/LuaJIT/src/lj_trace.h
	Source/ThirdParty/LuaJIT/src/lj_traceerr.h
	Source/ThirdParty/LuaJIT/src/lj_udata.c
	Source/ThirdParty/LuaJIT/src/lj_udata.h
	Source/ThirdParty/LuaJIT/src/lj_vm.h
	Source/ThirdParty/LuaJIT/src/lj_vmevent.c
	Source/ThirdParty/LuaJIT/src/lj_vmevent.h
	Source/ThirdParty/LuaJIT/src/lj_vmmath.c
	Source/ThirdParty/LuaJIT/src/ljamalg.c
	Source/ThirdParty/LuaJIT/src/lua.h
	Source/ThirdParty/LuaJIT/src/luaconf.h
	Source/ThirdParty/LuaJIT/src/luajit.c
	Source/ThirdParty/LuaJIT/src/luajit.h
	Source/ThirdParty/LuaJIT/src/lualib.h
	Source/ThirdParty/LuaJIT/src/vm_arm.dasc
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	Source/ThirdParty/LuaJIT/src/vm_ppcspe.dasc
	Source/ThirdParty/LuaJIT/src/vm_x86.dasc