removing extra inline-spacing in tabbar, cleaning up active attribute bug on tabbar tabs, tweaking tabbar css
Merge branch 'master' of github.com:mozilla/app-components

Conflicts:
	dist/brick.css
	dist/brick.js
only iframe src-ed demos
made tabbar tabs flex items; fixed flipbox graphical jankiness on phones
Merge branch 'master' of github.com:mozilla/app-components
tweaked slider change event to only fire at end of drag; removed redundant z-indeces in slider/datepicker; prettifying tabbar/calendar demos
fixing missing change event on slider when just clicking because i am a big dumb
Bugfix for calendar dates being double-toggled in OS simulator
Calendar: added ability to specify which weekday starts a week
Calendar: added the user ability to change the labels of the calendar, allowing translations/localizations
Deck: shufflestart/shuffleend events now contain detail properties of the old and new cards used in the animation; shuffleend events now better emulate transitionend in firing only upon full animation completion for better consistency
fix for label-edits affecting other calendars (because I'm dumb and forgot to unalias the default datamap when editing labels)
Iconbuttons finally correctly vertically center when iconanchor is top or bottom
tweaking z-index of datepicker calendar to appear over x-sliders by default
tweak to font-size of iconbuttons so that applications of font-size to the x-iconbutton isn't overridden by the label
fixing capitalization in font file
selectively toggling readonly on datepicker's text input to prevent mobile keyboard from popping up
add weekday labels to calendar; modify days to be percentages of months, allowing more responsive styling by editing a single month's width instead of each day
Merge branch 'master' of github.com:mozilla/app-components
prettifying datepicker demo; tweaking calendar css to use opacity for 'badmonths' instead of forcing a color scheme