OnyxAndroidSDK:Add remove a book from the database method
Revert "OnyxAndroidSDK:Add remove a book from the database method"

This reverts commit bfe07d317bde0996eb2de4290793601a286cf003.
OnyxAndroidSDK:Add remove a book from the database method
OnyxAndroidSDK:Add a border for the rotation settings
Merge pull request #59 from onyx-peekaboo/master

Add remove a book from the database method
delete a useless string.
Merge pull request #60 from qiujiejun/master

delete a useless string.
set default TTS language (if empty) according to current locale.
Merge pull request #61 from onyx-cap/master

set default TTS language (if empty) according to current locale.