Merge pull request #230 from viafo/master

Fix for Captcha codes over secure connections
Ptbr translation typo.
Update linkedin to use oauth2.0
Update travis.yml config to use the latest appengine
Merge pull request #238 from mudiarto/master

Update LinkedIn to use OAuth2
Merge pull request #232 from cadusk/ptbr

Ptbr translation typo.
Merge remote-tracking branch 'upstream/master'