Implements one-click highlighting of Stellar address per #557
Merge pull request #930 from m-casey/one-click-highlight-address

Implements one-click highlighting of Stellar address per #557
Cleanup dependencies list
Switch recaptcha to angular-re-captcha with bower
Merge pull request #936 from stellar/fix-re-captcha-layout-1

Fix re captcha layout 1
Add angular-facebook as a bower dep
Facebook reward changes

- use new endpoint /user/add_facebook to link user's facebook
- then call claim with only username/updateToken
- use angular-facebook
facebook reward changes

- link their facebook account if they haven't yet
- just update their facebook account auth token if they have