Fix stop details vertical layout constraints
Adjust stop details fonts and content layout
Fix navigation bar opacity on iPad
Fix height of "Tour Details" panel on iPhone map
Adjust transparency and color of "Tour Details" panel on map
Add bottom stroke to "Tour Details" panel
Set user location indicator color to blue for tours maps
Fix highlight color of tours stop detail collection view cells
Adjust SMCalloutView arrow margins
Use correct assets for up/down arrow buttons in stop detail view

Also fixes the spacing between the buttons so that the navigation
title has enough space to not be truncated.
Clean up animation code for show/hide tours list view
Fix setup of map region
Fix stop collection view paging content offset bug
Merge pull request #328 from MIT-Mobile/3.6/dev-intrepid-adolce

Fix various bugs in Tours module