Remove old static service tree asset & requirement.
Consistently refer to walking as by_foot.

Previously we had both on_foot and by_foot.
Adapt routing panel header icon to p13n transit mode.
Make logo link point to root page.

Closes #43.
Show tooltip for "show service on the map".

Closes #156.
Make route buttons more robust.

Fixes #159. Todo: improve routing panel in narrowest non 100% wide panel view.
Implement a model and a view for tweaking routing parameters.
Add support for arbitrary addresses in routing.

Use dev.hel.fi geocoder for now as a typeahead source.
Functioning route controls.

Includes changing destination, swapping origin and destination,
and setting the times.

Todo: get rid of ugly HTML5 time and date controls.
Style changes.
Add default geocoder URL to default config.
Implement choosing transit endpoint from map.

Also various usability enhancements for the routing controls.  Smooth
transitioning between editing and non-editing modes with a model that
persists and can be reverted to -- this will prevent accidental loss of
user entered data.
Bring new static dependencies for datetimepicker.

Also update moment version to 2.8.1.
Udpate new time related locale strings.
Update to new moment version.
Delete unused vendor file.
Add jquery and bootstrap to require config.
Consistent route control user experience.

Uses bootstrap-datetimepicker for dates/times.
Considerable usability and consistency improvements.
Better handling of dynamically changing endpoints.
Update icon font version.