OnyxAndroidSDK:Add page information
OnyxAndroidSDK:Save Page Information
OnyxAndroidSDK:Add page information
Merge pull request #78 from onyx-peekaboo/master

Add page information
Merge pull request #79 from onyx-cap/master

 add black rectangle to the cover for thumbnail view;
1. add old and new page index when page index changes;
2. remove the change listener in OnyxGridView, should be in paginator.
Merge pull request #80 from qiujiejun/master

1. add old and new page index when page index changes;