User administration work in progress:
 - Improved UI to look much better and match theme.
 - Fixed many stabilization issues in the user administration module (added support to user without password, default group, etc.)
Fixed a little misbehavior of the affix.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
User Administration UI work in progress - added user/group name length validation.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
User Administration UI work in progress - Added scrollbars to lists of tags/users/groups when necessary.

Signed-off-by: ohanetz <o.hanetz@gmail.com>
Merge branch 'master' of https://github.com/alexkoltun/logmind