Nest all type tabs under a tab named "Types"
Merge pull request #279 from cookiekiller/implement_nested_tab_view

Nests all type tabs under a tab named "Types"
Fixes coding style
Merge pull request #280 from nsendetzky/master

Fixes coding style
Adds phing release target
Only show expand / collapse icon on nodes with children
Adds _getProvider() method to plugin provider decorators
Streamlines event names in order base item
Incompatible: setUserId -> setCustomerId, isComplete -> check
Merge pull request #282 from nsendetzky/master

Adds _getProvider() method to plugin provider decorators
Correct unittest
Merge pull request #283 from nsendetzky/master

Streamlines event names in order base item
Incompatible: setUserId -> setCustomerId, isComplete -> check
Show expand symbol if a node is added in a node without icon
Extends customer item by verification date (currently stub)
Merge pull request #284 from nsendetzky/master

Extends customer item by verification date (currently stub)
Minor documentation fix
Adds mail interface and Zend implementation
Adds mail object to context item (optional)
Adds __clone() methode to copy internal objects
Changes setReplyTo() to addReplyTo() so several reply addresses can be added
Merge pull request #285 from nsendetzky/master

Adds mail interface, Zend_Mail adapter implementation and extends context