Post-alpha phase
Some Ui refactoring
Forgotten compile flag
Fix for #228

 * "empty" objects were wrongly handled in CPyro
Typo fix
Fixed test binaries location
Datadir in command line didn't work with config.

Values from config file overwrote datadir
Fixed @Emxx52 's fail :P

Merge branch 'master' into dev
Conflicts:
	src/app/app.cpp
Fix for #232 - Images in SatCom

Only images, icons still don't work
Updated data submodule
Fixed some CBot-related memory leaks

 * fixed leaks in CScript::CheckToken()
 * fixed leaks in CInterface
 * commented out unused function in robotmain.cpp
Fixed memory leaks in CText
Fixed CTerrain-related memory leaks
Updated data submodule
MacOSX: Add initial support in CMake build infra
Include the OpenAL headers using the "al.h" form, as recommended by its CMake finder script
Fix system_other implementation by adding an Init() and fixing the wrong const
Added option to force to use bundled gmock/gtest

 * resolves problem when version of gmock/gtest found installed in system
   disagrees with the bundled one
 * removed -DGTEST_HAVE_PTHREAD=0, seems that pthread is needed after all
Fix for CMakeLists error
Include SDL.h in main.cpp to make sure the main loop is SDL's main loop

This allows the MacOSX program to start.