action bar icons

Conflicts:
	res/drawable-hdpi/ic_search.png
	res/drawable-mdpi/ic_search.png
	res/drawable-xhdpi/ic_search.png
	res/drawable-xxhdpi/ic_search.png
logos and logo icons
more icons for action bar and search results views
Disabling IconColors lint check
Merge pull request #206 from mapzen/ekta/design

Action bar and other icons
Removes action bar padding
Styles action bar title
Styles search view text
Styles action bar background. Removes old style cruft
Styles overflow menu
Uses custom action bar icons
Hide upload traces along with other overflow items
Merge pull request #207 from mapzen/chuck/style-action-bar

Style Action Bar
readding assets for start, preview and resume
pressed states
Styles search autocomplete text and icon
left and right arrows for steps
Merge pull request #209 from mapzen/ekta/design

readding assets for start, preview and resume
navigation arrows
Style search close icon