Implement native method to enumerate content types for com.sun.mmedia.DefaultConfiguration.
Add MediaSampler midlet.
Implement some native methods under com/sum/mmedia
Add wav audio player.
Don't decode the audio buffer without data.
Add a long amr audio file to MediaSampler test.
Implement the native methods of volume control for DirectVolume
Fix meida format issue.
Properly close the audio playing.
implement getMediaTime.
Support pausing and resuming audio playing.
Setting mute on and off doesn't change volume level returned by getLevel.
Add stub native methods of nSwitchToForeground  and nSwitchToBackground.
Fix typos.
Simplify the logical of ListCache.
Fix license file encoding and format.
Merge pull request #537 from yxl/media

Support audio playing