Starting to implement server side issue form validation
Move issue's save logic from the controller to the model
Fix vote id overriding issue id
Redirect back to the issue screen
Do not allow question mark char
Redirect to the project if id is empty
Remove duplicate chars
Merge branch 'framework' into form-validation-2

Conflicts:
	templates/tracker/issue.add.twig
Implement status and priority filters
Updating upstream
Remove Container methods accepted upstream
Band-aid on LoggerProvider (Ref #164)
Rename some controllers
Add registry to the session
Add open/close button. Thanks @dbhurely
Just 	unnecessary line
Start sorting implementation
Add bower config files
Add www/vendor/* to .gitignore
Remove external code from www (some)