Removed unused modifiers.
Moved Start into Statistics
Added settings FormHandler
Newsletter_Util: Removed unneccassary functions, added Hook selector
Controller_Admin: Removed archive settings functions
Api_Admin: Removed some links
Installer: Added LogUtil messages
Removed PageMaster plugin
Merge pull request #76 from nmpetkov/patch-15

Move styles in head section of the HTML template
Merge pull request #77 from cmfcmf/formhandler

Did much :D refs #72
Moved header message editing to plugins page.
Merge pull request #78 from cmfcmf/NewsletterMessage

Moved header message editing to plugins page.
Toggle editor usage in Newsletter edit