Update API documentation

- Remove template.md.reference placeholder
- Add draft API documentation from Ward Harold. See his email for
  details:
  http://lists.us.dell.com/pipermail/crowbar/2013-March/002877.html
Remove trailing whitespace from API documentation
Added metadata for new release hadoop-2.2
Update REST API documentation

- Rename cbapi.md -> README.md
- Rename attribapi.md -> attrib.md
- Rename barclampapi.md -> barclamp.md
- A bunch of edits, mostly formatting
Update browser-support.md

Use Markdown instead of HTML for table.

The other table is more complex, requiring the use of `colspan` which is not supported in Markdown.
Add README.md
Merge pull request #1760 from jamestyj/api-draft

Add Ward Harold's REST API draft to docs
We no longer support installing from non-OS native packages.
Make sure that migrations do not run during native package installation.
Make sure bundler is installed before we install the crowbar packages.
Copy Gemfile and Gemfile.lock into the base directory

This is needed for https://gemnasium.com/crowbar/travis-ci-crowbar to
work. It doesn't like symlinks, so we have to copy.
Update README.md

Add badge for https://gemnasium.com/crowbar/travis-ci-crowbar
Put framework docs into place.
Make unit test framework install in --build mode
Do not use digest auth to create the admin node.
Merge pull request #1759 from cloudedge/master

Export Doc Books (simpler) and ./dev tests server
more tweaks to ensure we run right environment