Style list and status view for importer, adjust placement of popovers for errors
Merge branch 'master' of git://github.com/azavea/OpenTreeMap into topic/importer-styling
Merge branch 'v1.3' of git://github.com/azavea/OpenTreeMap into topic/importer-styling
Merge pull request #126 from azavea/topic/importer-styling

Importer List/Status Styling
Move INSTALLED_APPS before impl_settings import

This is necessary so that impl_settings can reference
INSTALLED_APPS, ie. INSTALLED_APPS += ('<appname>',)
Add geomanagers to polygon models
Add polygons urls to otm when app is installed
Expose the tilecache polygon layer through settings
modify singleClick event when polygons are showing
Add url and view to search for polygon data
Add polygon edit / modify functionality