Tweak layout in README.md installation markup.

Some code blocks weren't indented, so they ended up messing up the numbering. Indenting them fixed it.
Merge pull request #832 from craigcitro/patch-1

tweak layout in readme installation markup
Tweak layout in README.md installation markup.

Some code blocks weren't indented, so they ended up messing up the numbering. Indenting them fixed it.
Fix small misspelling: Mardown -> Markdown
Merge pull request #883 from seanfisk/fix-small-misspelling

fix small misspelling: Mardown -> Markdown
Adding a new "hosted" plugin for running slides on various hosting platforms
Adding slide content for OpenShift hosting
containerizing this project and rewriting to work with gist.github.com
adding dockercon theme, and GA analytics
Adding dockerfile
updating README usage info
providing a way to set the default gist_id via DEFAULT_GIST
Adding an error response. Closes #3.
adding a page for showing rate limit errors, added support for supplying your own GH auth tokens #17
updating default GA tracker content
prefer text/html formatted gists, but attempt to process anything that doesn't claim to be an image
updating the theme to include the Overpass font and an openshift launcher
adding some sample init code for kube pods...
Updating the README with OpenShift launch info
Changing default BIND_IP to 0.0.0.0 (was 127.0.0.1)