Fix responsive styling bugs, strip out unneeded styling from plot detail partial
Updated Fontello library, fix #426 style basemap switcher
Basic advanced search styling, fix admin page structure
Simple add tree styling
Merge branch 'master' of https://github.com/azavea/OTM2 into topic/default-styling

Conflicts:
	opentreemap/treemap/css/sass/partials/_map.scss
	opentreemap/treemap/templates/instance_base.html
Fix placement of translator comment
Merge pull request #488 from azavea/topic/default-styling

Continue styling (advanced search, OL controls, etc)