LinkedIn integration: added basic functions to get an users profile
Profile data importer - App configuration

	- Removes all the helpers from the application ( not being used )
	- Adds ProfilePresenter class to handle all the logic associated with the data parse
Code Refactor: Improved the code of the profile presenter
Configuration: removes old specifications
Test suite: added some gems to improve the testing workflow
Specifications: added specifications for the profile presenter
Merge branch 'linkedin-integration'