Moved kivy/uix/mixins to kivy/adapters/mixins, and changed the import in listadapter.py.
Updated mixins dir for imports in examples.
Merge pull request #590 from aspidites/import_cleanup

Import cleanup
fix latest import pull request
screenmanager: ensure the screen position is fixed to the screenmanager position.
SelectableItem class def was missing (object): -- thanks tshirtman.
UIX:TextInput: refactor undo_redo and selection_from/to
Selection_from/to are now readonly and two new methods
`select_all()` and `select_text(start, end)` have been
provided for selection.
fix versionadded + add some tests for select_text()
Merge pull request #593 from kivy/textinput_undoredo

UIX:TextInput: refactor undo_redo and selection_from/to
Merge branch 'doc_updates' of https://github.com/aspidites/kivy into aspidites-doc_updates
dont activate the warning as error on sphinx, we need the gettingstarted generated, even if its not referenced in the toc + optim to not rewrite rst file if the content didnt change, it prevent sphinx to reread the source.
Merge branch 'master' of ssh://github.com/kivy/kivy
- trying a more flexible method of suppressing warnings
- added reference to clock documentation
Merge pull request #594 from aspidites/more_doc_updates

No Warnings, Again
Update kivy/core/audio/audio_sdl.pyx

Don't set volume if we haven't be able to load the file
screenmanager: ensure the position is reset to the position of the screenmanager
screenmanager: ensure the animation is not drawing outside the bounds of the screenmanager (todo: wipe transition doesn't seem to work.)
Merge branch 'master' of ssh://github.com/kivy/kivy
textinput: prevent the bubble to be showed if the textinput is not on the screen anymore (Check is done twice per seconds).
Changed the name of the list argument in select_list to obj_list. Removed unneeded description of how properties work.