cleanup opengl
Revert "cleanup opengl"

This reverts commit af7d7905ba9d072b92171ec7d5942997b8ac68c2.
Merge branch 'develop'
set version
rename event
add keyboard event
add mouse event
refactoring brick, rename action -> act
Revert "refactoring brick, rename action -> act"

This reverts commit 43c40ee1f2e2a9bfc713256558ced323c7e50756.
Revert "Revert "refactoring brick, rename action -> act""

This reverts commit 358078a53da83c04f7a9db6e9dc40bc5301357c7.
rename brick_act > brick_exe
add brick act
brick refactoring, add brick_act
add missing file
cleanup ui
fix event memory leak
refactoring ui
Merge branch 'testing' into develop
refactoring ui
brick refactoring