Bump selenium, close #4621
Merge pull request #4623 from Flaburgan/bump-selenium

Bump selenium, close #4621
add changelog entry for #4623 [ci skip]
Fix markdown indication in the publisher when the user upload an image
Fix: remove location when publisher is cleared by user
Merge pull request #4668 from ZBarg/feature/remove-location-when-publisher-cleared

Fix: remove location when publisher is cleared by user
Merge pull request #4667 from Flaburgan/fix-markdown-display

Fix markdown indication in the publisher when the user upload an image
Enable Ruby 1.9.3 on Travis

https://www.loomio.org/discussions/10519?proposal=6611
Simple captcha for signup page
Add mobile signup page captcha. Add test for user.sign_up method. Rewrite simple_captcha views to haml. Revert .rvmrc, fix indentation in config examp$