modified the JS the force the map to reload when it'sfirst loaded to use the new time filter. It seems that by default Ushahidi ignores the #startDate and #endDate values when the main page first loads.
Merge remote-tracking branch 'origin/master'

Conflicts:
	hooks/timespan.php
Revert "modified the JS the force the map to reload " now fixed in core

This reverts commit 4e780654f0502d7ad59f9018eaf3f07367871d39.