GitLab

 * on standard/list, trunchate machine names
 * on metadata list form

When the server name was very long, the buttons
at the bottom were moved outside the dialog. This
commit fixes that.

This includes:

* workaround for mask not appearing in add dialog
* reset of metadata list on lcosing the edit dialog

Refs #375

This includes:

* renaming ajax funtions
* save button click gets you back to basic edit form
* more comments

Refs #375

Refs #375

Refs #375

use our own timers to keep count of the server list
instead of waiting for the ajax calls