Merge pull request #73 from onyx-peekaboo/master

Add insert and update historical method
Merge pull request #74 from onyx-peekaboo/master

OnyxAndroidSDK:Insert the book MD5 value
add feature: opening last read document when startup.
Merge pull request #75 from onyx-cap/master

add feature: opening last read document when startup.
add support for document's scroll view
Merge remote-tracking branch 'origin/master'
OnyxAndroidSDK:Set the object can be serialized
OnyxAndroidSDK:Add a query history method according to the value of MD5
Merge remote-tracking branch 'origin/master'