uix:ScrollView experiment with Simplified approach to legacy behavior
uix:ScrollView improve touch handeling on bars
uix:ScrollView fix animation issues
uix:ScrollView set the bar_width to a minimum of 9dp when bars are used
Fix doc describing default settings panel
Fix doc typo breaking a sphinx link
Updated settings panel image/description
Merge pull request #1568 from inclement/settings_fixes

Bring settings documentation up to date
Fixed ppi of settingswithspinner image
Merge pull request #1567 from kivy/scrollview_scroll_type

uix:ScrollView experiment with Simplified approach to legacy behavior
Merge pull request #1569 from inclement/settings_fixes2

Fixed ppi of settingswithspinner image
listview: add missing import in the doc. cleses #1552
logger: force the logging.root to use the kivy Logger instance. This prevent infinite loop.
scatter: prevent scale property to be dispatched again by floating-point calculation beeing not accurate. closes #947
clock: allow clock event to be cancelled (for cancelling a trigger for example)
vkeyboard: fix custom layout usage, and correctly dispatch layout_path before layout. Also, add the layout property to be a json filename. Fixed the example as well. closes #958
lang: add warning if a kv file with rules/templates/dynamic classes is loaded multiple times. closes #991