Fixed pathauto check for alias creation.
Fixes url breakages in head
Merge pull request #19 from kimpepper/fix-url-breakages

Fixes url breakages in head
Create initial interface and annotation
Add base class and forms
Missed adding classes
Re-add interfaces and move out of base class
Add manager constructor
Moves plugins to Plugin/pathauto/AliasType
Use plugin definition for label and token types