Merge pull request #8 from mudar/master

Maintenance page, spring temp
Merge pull request #9 from mudar/master

reverted the header too
Merge pull request #10 from mudar/master

Updating to leaflet 0..7.3
Merge pull request #11 from mudar/master

Maintenance page updated
Merge pull request #12 from mudar/master

replace amazon s3 by local assets
remove a bunch of source files, make maintenance assets accessible
Merge remote-tracking branch 'upstream/master'