* Fix typo.
* Various UI improvements.

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1454 3c3d7b80-5828-415e-9f61-280b98178fff
Customize invalid class of various form fields.

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1455 3c3d7b80-5828-415e-9f61-280b98178fff