Merge branch 'stylez'
Merge branch 'stylez'
reset detail panel on mobile fixed
about page functionality and content added on desktop
updated about page copy and welcome overlay copy
increase size of close overlay button a bit
Setting small devices to not use the segment cache or all-segment layer.
Require return key for search on small screens.
Merge branch 'removeCache'
Slight keypress optimization.
Removed search alert.
Added <form> tag so iPhone will use blue "Go" button in search field on mobile.
Merge branch 'master' into stylez

Conflicts:
	js/trailhead.js
resolved this conflict