changed date formats
Merge remote-tracking branch 'yaniv/master'
fixed proposal form to alternate between task/non task proposals,
prevent superuser from voting when not a member,
allow voting even when voting end time was not defined
limit display of proposals in agenda to non-decided only
show straw vote results even if issue is not in upcoming meeting
change end vote dates when meeting time changes in form
Merge remote-tracking branch 'yaniv/master'
fixed condition for including chart related js in proposal_detail.html
added condition to proposal.can_show_straw_votes()
translation, corrections, css