Merge pull request #20 from onyx-cap/master

coolreader Tosate 字符串更改到strings.xml中
crengine:Read the menu to add the screen refresh menu item
Merge remote-tracking branch 'origin/master'
crengine:Support the RTF file
Merge pull request #21 from onyx-peekaboo/master

Read the menu to add the screen refresh menu item
refactoring TTS code
Merge remote-tracking branch 'origin/master'

Conflicts:
	android/src/org/coolreader/crengine/ReaderView.java
refactoring TTS code, close TTS while reader is closing
fix auto page turning problem during TTS speaking
update according changes in OnyxAndroidSDK
add Russian
Merge remote-tracking branch 'origin/master'
Merge pull request #22 from dxwts/master

回归主干
russian locale string should be stored in values-ru-rRU, not values-ru
add support of KEYCODE_PAGE_UP/DOWN
update code according changes in OnyxAndroidSDK
crengine:Modified reader menu search UI
Merge pull request #23 from onyx-peekaboo/master

Modified reader menu search UI
change CoolReader.mDialogSearchView to private
improve the code of detecting/add/remove bookmark