Merge pull request #38 from jzvelc/master

Updated visualization.
Merge pull request #39 from jzvelc/master

Removed production files.
Merge pull request #40 from jzvelc/master

MEAN Stack for Angular update.
Added routing and controllers, updated models
Merge pull request #41 from mancabizjak/backend

Added routing and controllers, updated models
Added passportjs module.
Merge remote-tracking branch 'upstream/master'