HUE-2063 [beeswax] The map chart does not display

Fixed height problem
Bumped Leaflet to 0.7.2
HUE-2063 [beeswax] The map chart does not display

Fixed Leaflet js import
HUE-2065 [core] Make sure log page is proposed only to superusers
HUE-2062 [pig] Editor fails with non ASCII characters

fix the problem, was related to webhdfs call.
tested other non ascii fields
not easy to test
fixed oozie too