Merge pull request #32 from neavo/master

update maven source to maven central
Update README.md
fix a bug may throw exception when draw danmuku
Merge pull request #35 from zuoshu/master

fix a bug may throw exception when draw danmuku
fix a bug when load empty AC comment data

java.lang.NullPointerException
        at master.flame.danmaku.controller.CacheManagingDrawTask$CacheManager$CacheHandler.prepareCaches(Unknown Source)
        at master.flame.danmaku.controller.CacheManagingDrawTask$CacheManager$CacheHandler.handleMessage(Unknown Source)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:154)
        at android.os.HandlerThread.run(HandlerThread.java:65)
Merge pull request #36 from zuoshu/master

fix a bug when load empty AC comment data
DanmakuView: fix show/hide issue before handler is created
IDisplayer: remove int getSlopPixel(BaseDanmaku danmaku)
Danmakus: remove unused code
fix #39 Random native crash
jni: update
FBDanmaku: new layout algorithm
v0.1.4
Merge branch 'dev'
Sample: update project.properties
DanmakuGlobalConfig: add support for setShadowRadius
AndroidDipslayer: fix measure paintHeight
FBDanmakusRetainer: check the Vertical Edge
v0.1.5
FBDanmakusRetainer: optimize
BiliDanmukuParser: textShadowColor