Updated popHealth gemfile to Rails 4.1.2
use HDS feature to return 'lower_is_better' in initial request

It might be better to retrieve lower_is_better when we get the results, but this is easier/prettier.
pass "lower_is_better" to dashboard visualization
draw triangle on dashboard viz, if present in measure
Switching the Gemfile to point back to Cypress for HDS
Updated Devise 'locked' message from 'Invalid email or password' to 'Invalid username or password'
Updated login icon from envelope to user
Changed font properties in Dashboard on measure category headers and measure percent values
Moved CSS declaration from JS file to stylesheet
Moved .dial CSS delcaration out of measure scope
Changed 'record number' to 'patient ID' in the patient view
Truncated patient ID, and gave it a popover with the full ID. Popover max-width had to be disabled to allow for whole ID to fit
Updated truncateString to not truncate if the length is shorter than len
Updated Patient ID eliding/title attribute to be consistent with new design for patient list
Added a missing message in the devise.en.yml file for missing password string message
Removed erroneous if statement and replaced with more clear operator.