... instead of sharedXXX / purgeXXX.
They are more C++ friendly, and also easier to remember.
common files + Mac files + iOS files + tests/samples files were updated.
The old methods are deprecated now.
CCLOG uses __android_log_print internally, this allows lua's print() function
to print to android log output and allows developer to see print output from
LUA using "adb logcat".