make test work
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into culaucon
accessory works
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into culaucon
added usb device in the mock app
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into culaucon
added usb host data event
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into culaucon

Conflicts:
	PluginAndroidLibrary/plugin_android_library/src/main/java/com/sana/android/plugin/hardware/Feature.java
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into culaucon
Merge
Merge
Add buttons.
Merge pull request #73 from DIdiHL/mia

draw graph first version
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into zhaoyue

Merge
First Version of HearbeatAudioDetector
Merge pull request #74 from DIdiHL/zhaoyue

Zhaoyue
Merge pull request #72 from DIdiHL/chenxi

Add buttons.
Thread programming is killing me
Merge pull request #75 from DIdiHL/zhaoyue

Thread programming is killing me
Now can view the result