Update issue 266
Added long timer for stat fps, print frame count etc,
Fixed is_sync_renderer initialization error.
Fixed gui object leak in sample_app.
Added some logs on console.
Set window title correctly.
Fixed swap_chain type while on benchmark and test mode.
Fixed async objects creation errors.
DEBUG mode and RELEASE mode use different benchmark frame count.
Added profiling for colorized triangle.
Added macro to adapt 'main' function signature for different platform.
Update issue 266
Fixed an runtime error while refactor legacy code.
Fixed performance issue while converting rgba8 to bgra8.
Rename profiling file.
Alpha channel of output color in ColorizedTriangle is force to 1.0 to fixed png alpha channel.
Update issue 266
Porting Anisotropic Filter to new framework.
Added total_elapsed_sec field to sample_app_data.
Remove unused headers in ColorizedTriangle.
Merge