Patched call for $params when it did not exist in J3.x

Removed $class variable when it was not needed nor defined. 

Small tidy up.
Re-worked and coded to show the config above the edit screen. Only on Joomla 3.x. Need to do some fancy CSS for Joomla! 2.5 ;)
removed preset active.
merge
CSS Tweaks
poor merge fix.
Set indenting.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
CSS Tweaks
Updates as per Geraint's suggestions
Merge pull request #70 from xtech86/master

Style tweeks and formatted config.xml