Merge pull request #88 from camilin87/kmoya-dev-branch

Kmoya dev branch merged to master branch
Experience Model changed
Resolving merging
getUserDetails() function implemented which grabs the info to show on the profile view. There are some issues with positions due to changes on this model. Notifications helper functions  implemented
Sync with LinkedIn button
Not showing head professor and admin as roles
Sync with LinkedIn when is a user logged in with an account different than LinkedIn
Merge pull request #89 from camilin87/master

Merge last changes to my branch