Merge pull request #189 from ercchy/master

I am still working on top navigation
Merge pull request #190 from ercchy/master

debugging fonts issue
Merge pull request #191 from ercchy/master

Added styling for marker bubbles
allow past events and start with monday
ambassadors also see past approved and pending events
Merge pull request #192 from ercchy/master

bugfix for maps on index page
Merge pull request #193 from ialja/master

Allow entering and moderating past events
Display an error in case event's location is beyond Europe
Merge pull request #196 from Konviser/master

Display an error in case event's location is beyond Europe
Modify "location" field error message
Remove unnecessary print in events.py
Merge pull request #197 from Konviser/master

Modify "location" field error message
Merge remote-tracking branch 'upstream/master'