@add uml overview
@fixbug: 1. sprite animation time with second
         2. export update and draw interface
@add particle callback for lua
Merge branch 'v1.1' into v1.2_dev

Conflicts:
	design/uml/src/Faeris.vpp
	lib/libextends/libluaexport/pkg/libfaeris/FsLibFaeris.pkg
	lib/libextends/libluaexport/pkg/libfaeris/stage/entity/FsLabelTTF.pkg
	lib/libextends/libluaexport/pkg/libspinesprite/FsSpineSprite.pkg
	lib/libextends/libluaexport/src/luaexport/FsLibBox2d.cc
	lib/libextends/libluaexport/src/luaexport/FsLibFaerisExport.cc
	lib/libextends/libluaexport/src/luaexport/FsLibLuaScript.cc
	lib/libextends/libluaexport/src/luaexport/FsLibSensorExport.cc
	lib/libextends/libluaexport/src/luaexport/FsLibSpineSprite.cc
@add particle size scale
Merge branch 'v1.1' into v1.2_dev

Conflicts:
	lib/libfaeris/src/stage/entity/FsParticle2DEffect.cc