Use https instead of git:// for cloning repos

leap_web/config/deploy.rb.example:set :repository,  "git://leap.se/leap_web"
leap_web/Gemfile:gem 'certificate_authority', :git => 'git://github.com/cchandler/certificate_authority.git'
leap_web/INSTALL.md:git clone git://github.com/leapcode/leap_web.git
leap_web/INSTALL.md:  git clone git://github.com/leapcode/leap_web.git

(from redmine: created on 2013-10-10, closed on 2013-10-21)