Delete newinit.* and newevent.*

We don't display the map when adding an event/initiative anymore.
Bump to version 0.0.4

Also add new dependency to [simple-time "0.1.1"]
Remove newsletter form from the /md/ pages.
Maps: show hdate_start and hdate_end from events.
db.clj: Various enhancements

Store the start and end date/time of events.
Use OSM to get the lat/lon from an address.
model.clj: Display start/end dates in the events RSS feed.
handler.clj: Don't display the map when adding an event or an initiative.
Various frontend enhancement.

Rewrite the forms to add events and initiatives.
Move the newsletter subscription form to the base.html template.
Add jquery.simple-dtpicker.