Merge pull request #1 from deckn/master

Forms added
Basic logic to add canvas element addd.

Canvas still needs to be created.
Merge branch 'master' of https://github.com/deckn/lost-tracker
Forms linked to web view.
HTML DOM structure fix
Merge branch 'master' of https://github.com/deckn/lost-tracker
RelationObject pattern for group states.

Site seems to work again.
Score field moved to ``GroupStation``.

Also removed some unused code.
Form scores retrieved when changing form.

Still contains an NPE.
``get_state`` was located between "form" functions.

This keeps related functions closer together.
Removed unused column ``station_id`` from ``form_scores``
Simplified form field access.
Return 0 when no score exists yet for that form.
Full group/station data available in template.
Better user feedback on form submission.

* "Busy" indicator
* Fields disabled during submission
* On successful save, the fields will reflect the *saved* values.
Scores converted to "int" before saving.
indentation fix
Bugfix in state matrix.
Bugfix when advancing states.
Icons and classes fixed in the matrix view.