Profile table: only show Default for Global profiles
Default Profile selection now happens via radio button
Scan#create: now returns the user's available profiles
Added Settings for max scan limits
Settings => HardSettings
Fixed scan limit checks
User scan limit doesn't apply to admins
Scan.light has been removed, don't use it
Others => Others'
Added Settings page

With:
  * Target whitelist using regular expressions.
  * Target blacklist using regular expressions.
  * Global scan limit -- Amount of active scans at any given time.
  * Per scan limit -- Amount of active scans at any given time per user.
Removed fade effect from tabs
Settings now have tabs (only Scan atm)
namespaced the Settingss CSS
Settings.max_running_scans_per_user => Settings.per_user_scan_limit
User profiles are now visible to other Users
Added support for Scan Groups
Added support for editing Scan Group memberships
Bugfixed visibility of scan group edits
Scan URL now a link in table
Added owner to scan group labels