Merge pull request #1 from 111minutes/master

Pul latest updates
Add activities for education and summary for position
improoved check logic
Merge pull request #10 from maximletushov/master

Add activities for Education and summary for Position
Add EndDate to LinkeIn Position
Merge pull request #11 from maximletushov/master

Add EndDate to LinkeIn Position
refactored LinkedIn Module, added contact info scope
Merge pull request #13 from maximletushov/master

refactored LinkedIn Module, added contact info scope
added get of secret token in linkedin module
Merge pull request #14 from maximletushov/master

added get of secret token in linkedin module
Merge pull request #4 from 111minutes/master

merge with master