fix(modal): Improve slide-up/down animations, remove flickers
fix(colors): Update all #4A87EE colors to use $positive color, closes #731
pretty up scss variable alignments
fix(actionsheet): Fix slide-up animation, closes #713
fix(actionsheet): Dismiss actionsheet when tapping backdrop, closes #733
fix(history): Separate histories and views, clear other views in clearHistory(), closes #724
fix(navView): _getView renamed to _getViewById, closes #736
fix(backbutton): Allow only one back button listener to run per click, closes #693
WIP: docs