Fixed a small status check bug, where secondary dns server check fails misleadingly.
Merge pull request #282 from m4rcs/master

Fix NS status check - should sort on both ends of the comparison
bump ownCloud to 7.0.4; fixes #283
add a control panel for setting custom dns records so that we dont have to use the api manually
admin: ensure multiple concurrent api calls dont confuse the ajax loading indicator (track number of open requets, stop fade animation when it is time to hide)