Ubuntu version bump

kudos to @andresmrm for his patience finding missing bumps
CDB-2868 made frontend_config have an option to fetch internal SQL API for https requests
Merge pull request #437 from CartoDB/CDB-2868

CDB-2868
Specifies the protocol to request the avatar
Adds protocol
CDB-2873 #resolve - problem with night NASA basemap fixed
Hides the map header when the map is on fullscreen mode
Merge pull request #440 from CartoDB/CDB-2045

Hides the map header when the map is on fullscreen mode
Merge pull request #438 from CartoDB/CDB-2872

Requests the user avatar using the right protocol
Merge pull request #439 from CartoDB/CDB-2873

Problem with night NASA basemap fixed
CDB-2876 Fixed, now checking lowercase version too
fixed explain analyze queries from the UI
Merge pull request #442 from CartoDB/CDB-2876

CDB-2876
Merge pull request #443 from CartoDB/CDB-2848

Server part failed on the build but is ok as only changes client
CDB-2772 #fixes Simplifies IP address option in the geocoder dialog
Merge pull request #444 from CartoDB/CDB-2772

CDB-2772 #fixes Simplifies IP address option in the geocoder dialog
More install changes

Kudos again to @andresmrm
CDB-2887 #resolve - changed error code id when import fails
Merge pull request #446 from CartoDB/CDB-2887

Changed error code id when import fails
Merge branch 'master' into CDB-2723