Added database, API and GPX status to capabilities.
Localisation updates from http://translatewiki.net.
Correct next/previous links on diary list page
Fix next/previous links on diary pages properly
Update Potlatch 2 to 2.3-584-g996bb4d build
Localisation updates from http://translatewiki.net.
Diary cleanup

This commit includes a few basic changes to make the user diaries
friendlier and easier to read. I adjusted the text styles and added
a maximum width, to keep the line length under control.
Update jQuery Autogrow Textarea Plugin to v3.0
Allowing wrapping inside the content of a richtext editor

We disable wrapping on the container to keep the editor and the
help on the same line, but need to turn it back on again inside
the editor so that autogrow can work.
Stop text overflowing the richtext preview pane
Localisation updates from http://translatewiki.net.
Don't display empty changeset comments

See systemed/iD#1360. We will also change iD to omit empty comments.
Merge remote-tracking branch 'upstream/master'