Activities Controller: added like/unlike/isLiked actions.

Navbar: adding link to create venue when logged in. removing manage cats/moods links.

Side Profile: Moving profile sidebar to partial file.

Venues-edit: whitespace fix.

Venues-form: need to make default val of venue name $activity->venue->name if exists, if not, session::venueName if exists or input::old if not.

Routes: adding like/unlike/isLiked routes for ajax requests.

Composer: adding likable library