Update to rails 4.1.8
Update attribution for embedded maps

Fixes #838
Update vendor URLs
Update html5shiv
Update jQuery plugins
Update ohauth
Don't paginate redactions

The index view doesn't render any pagination controls, and there
aren't enough redactions for pagination to be necessary yet.

Fixes #735
Make sure button_to buttons are separated by whitespace
Include number of recent diary entries in spam scoring
Prefer a key=value match over a key only match for object descriptions
Fix exception when message limit is hit
Fix typo
Losslessly compressed all images using optipng and advpng
Remove unnecessary local variable

The local variable `app` was unused and therefore not needed
to be declared with initialization
Update bundle
Query mode doesn't need the database
Disable the "add note" button in database offline mode
Make development mode work when the database is offline
Don't render the offline page for XHR requests
Don't raise APIAlreadyDeletedError when deleting with if-unused
related: openstreetmap/iD#2475