Merge pull request #26 from ercchy/master

Fixing/improving  all sorts of stuff
added registration
added registration
Updated readme
Merge pull request #27 from lumeaa/master

implemented registration
Merge pull request #28 from MucaLisa/master

Updated readme
registration
Merge pull request #29 from lumeaa/master

registration
dodan oblikovanje za aktivnosti
Merge pull request #30 from Fibiola/master

dodan oblikovanje za aktivnosti
working on user registration