Re-add char cache because it's still used by markup label (and others?), fix indexing bug, styleguide issues.
Add remove_callback method to ConfigParser.
Add ConfigParserProperty.
Merge pull request #1936 from aspidites/storage_example_fix

- fixed typo in kivy.storage example
Merge pull request #1930 from jegger/vkeyboard_repeat_key

Add repeat-key function to the vkeyboard
Merge branch 'master' into vkeyboard_extend_layouts
-> small fix in vkeyboard.py for key repeat: add 'special' key to not repeat (line 733)
Merge pull request #1932 from jegger/vkeyboard_extend_layouts

VKeyboard extend layouts
Added persistence to DictStore using pickle and added a filename parameter
to the constructor to make the API consistent
Don't rewrite same value multiple times, pep8 and doc fixes.
Merge branch 'master' into twisted-reactor-install-uninstall

Conflicts:
	kivy/support.py
Add attribute to change fbo transparency in FadeTransition
correct property type in docstring
PEP8 correction
correct property name in docstring
Merge pull request #1935 from matham/padding

Improve text rendering algo, fully implement padding, improve justify
Merge pull request #1909 from matham/focus

initial focus behavior.
Merge pull request #1904 from aspidites/exit_on_escape

Exit on escape
Merge pull request #1887 from inclement/widget_save_image

Add save_image method to Widget
Change attribute to control the full color
Merge pull request #1805 from alanjds/twisted-reactor-install-uninstall

Multiple cycles of install/uninstall of Twisted Reactor