Merge pull request #1 from rux-pizza/master

mathjax.js Url now switches between the http and https versions
Update README.md
Changed README.md to include instructions for installing the plugin on top of a Docker image installation.
Merge pull request #3 from pkspencer/topic-update_readme_for_basic_docker_install

Updated installation instructions for Docker Install
Update plugin.rb to use new Ember initializer
Merge pull request #5 from kazad/master

Update plugin.rb to use new Ember initializer
Merge pull request #1 from kasperpeulen/master

Merging upstream