added style guide to the project: gulp tasks, scss and assets
Merge pull request #5 from winkerVSbecks/style-guide

added style guide to the project
Added login functionality

	- Added authentication service
	- Added login view
	- Updated routes
	- Added angular dependency injection to gulpfile
	- Added server task to gulpfile
	- Added test task to gulpfile
Merge pull request #8 from rvaiya/rvaiya/routing_changes

Added login functionality