chore(sprites): Move large background images into seperate folder.
chore(sprites): Add grunt Spritesmith dependency
feature(sprites): Configure grunt task for regular and retnia res sprites.
feature(sprite): Add first output from sprite smith!
feature(sprites): Update documentation.
chore(sprites): Delete copy files that were accidentally committed.
chore(sprite): Switch to less, and add custom template, to generate retnia markup.
feature(icon): Add icon directive and service.
chore(sprite): Cleanup and change file names.
test(icons): Add icon spec.
chore(icons): Cleanup icon component.
chore(icon): Add comments to icon directive and service.
chore(icon, sprites): Checking in changes for PR.
Upload crime watch test
Merge pull request #47 in LV/gopher from features/431-test to develop

* commit '8b6da19539a990650575f71ecc82cbddfbb64997':
  Upload crime watch test
chore(icon): Checking in icon progress.
Merge pull request #46 in LV/gopher from features/435-bypassing to develop

* commit 'f04d5be86dbfec3a19ce77554bb621d50a577d39':
  Preset test system sensor to faulted for testing
  Update notifications based on new mediator functionality
  Add listener for confirmBypassRequired to facade
  Add various icons to system status widget
  Use system status instead of arm state in nav
  Add status icons to system status widget
  Update system spec to require system to be disarmed before it's armed
  Allow infinitely many arguments via $broadcasts in mediator
  Allow system widget to bypass sensors via confirm dialog
  Disallow arming if system is already armed
  Add convenience test to spec
  Update active support to latest
  Add hasErrors, hasWarnings, errorCount, warningCount methods to system
  Clean up sensor model
features(icons): Refactor icons to use provider and set in config block.
chore(icons): Added remaining functionality and tests.
Add safety score styles