added edit view for video-, person- and maps-widget
added edit backside generator
adds a notice to restart the server because of gem changes

fixes #90
add headline string attribute to search page
remove headline attribute from image
remove headline attribute from slider widget
removed body_attributes dependency on @obj
exclude LoginPage and ResetPasswordPage from sitemap
add missing cms attribute definitions on homepage
remove .well class from widgets
adopt examples and core widgets
adopt hero unit widget description
merged develop
added headline widget and removed headline from the following widgets to get an more modular widget base
  * image widget
  * text widget
  * google maps widget
  * slideshare widget
  * video widget
fixed specs for the changed widgets
bugfix: missing bundle after changing Gemfile

+ errors were thrown, when one of the kickstart gems were not installed
on the local machine. This did not cause a severe error later on,
because bundle was run later in the succession of the script.

fixes #91
rename blog entry to blog post
rename HeroUnitWidget to TeaserWidget
show some respect for the reporter
bugfix: redirect_link? is not defined anymore