Members, Instruments and a little bit of Admin

Members i Instruments migracije i modeli povezani u DataController i
view, admin fixevi (navigacija, login)
Merge branch 'master' of https://github.com/svemirko/pkf

# By filip
# Via filip
* 'master' of https://github.com/svemirko/pkf:
  Premesteni recordings + cmakilica

Conflicts:
	app/views/data.php