Forms now send messages to the right place.
Introduced custom form/input helpers @ views/tag/*; formHandler -> messageHandler integration; nice feedback for errors in forms.

Closes #112, #129
Nice alert-closer img.

Closes #127
Merge remote-tracking branch 'remotes/origin/master' into gui
better form error handling.
Merge remote-tracking branch 'remotes/origin/master' into gui