DrawHandler: optimize notifyRendering()
Float -> float, no necessary to use wrapper
refine method willHitInDuration()
Merge pull request #50 from neavo/master

update maven to v0.1.9
remove unneccessary code
fix typo
DrawHandler: fix PAUSE->HIDE->SHOW issue
DrawHandler:add initRenderingConfigs() for some init-configs(such as clear canvas type,reresh rate etc)
update README.md
DanmakuSurfaceView && DanmakuTextureView: some initialization
Danmakus: fix ConcurrentModificationException
update README.md
Revert "Danmakus: fix ConcurrentModificationException"

This reverts commit e354a8f071a0e335f383e5423ae75341c5685167.
fix live-danmakus-showing issue
BaseDanmakuParser: add protected getViewportSizeFactor() for controlling the speed of scroll-danmakus
fix live-danmakus-showing issue-2
DanmakusRetainer:  fix ConcurrentModificationException
DanmakuFactory: set CURRENT_DISP_SIZE_FACTOR
DanmakuFactory: set CURRENT_DISP_WIDTH and CURRENT_DISP_HEIGHT in updateViewportState(...)
fix live-danmakus-showing issue-3