fixed issues with rspec and rails 4.1.1 configuration
devise rspec test operational and passing
removed pending test from user_spec unit testing
resolved merge conflicts
added rspec tests for sign up (without matching passwords & without required criteria)
Created user tests for signing in (all passing)

Cleaned up code per Hound and Helen's comments
Cleaned up files.
Merge pull request #3 from LaunchAcademy/add_devise

RFR Add devise