Merge pull request #67 from bkimminich/develop

v1.5.4
Merge pull request #68 from bkimminich/develop

readme and module dependencies updated
Merge pull request #70 from bkimminich/develop

v1.6.0
Merge pull request #73 from bkimminich/develop

added ngTouch
Merge pull request #75 from bkimminich/develop

password change improvements
Merge pull request #79 from bkimminich/develop

coupon invalidation
Merge pull request #83 from bkimminich/develop

dependency issues fixed
Merge pull request #84 from bkimminich/develop

new challenge, small fixes
Merge pull request #85 from bkimminich/develop

minor dependency updates
Merge pull request #86 from bkimminich/master

rebase with master