[Modified] SaveDownloadTask when the status is DownloadStatus.STATUS_RUNNING
[Delete] useless codes
[Update] lib --    compile 'com.github.snowdream.android.util:log:1.0.3-SNAPSHOT'
[Update] android plugin          classpath 'com.android.tools.build:gradle:0.7.0+'
[Fixed]   task = null; at wrong place
[Modified]  DownloadTaskAdapter
[Add]      compile 'com.github.snowdream.android.util:log:1.0.3'
[Pubilsh]android-downloader 0.0.1