Merge pull request #1552 from geoadmin/fix_user_env

Remove user_env
Don't use snapshot service anymore
Remove rotation control from map
Merge pull request #1555 from geoadmin/dev_removeunnededcontrol

Remove rotation control from map
Merge pull request #1544 from geoadmin/gjn_no_snapshotservice

Don't use snapshot service anymore
Add feedback support
Fix #1515: Ensure polygons are closed
Merge pull request #1539 from geoadmin/gal_feedback_attachement

Feedback attachment
Merge pull request #1560 from geoadmin/fix_kml

Fix #1515: Ensure polygons are closed
Add topic images
Merge pull request #1561 from geoadmin/dev_img_topic

Add topic images
Add appcache configuration
Add NetworkStatus service
Add exports
Update current ol with new exports
Add localstorage library
Add gaMapOffline service