Merge pull request #1756 from rhafer/master

unbreak barclamp_install.rb
Try bailing extra early if a barclamp does not have any packages to update.
add the loadbalancer into the grizzly feature
Merge pull request #1757 from aabes/feature/grizzly

since this is affecting just a feature branch - merging myself.
Make sure test_lib.sh looks for nodes in the proper domain.
export doc books (quick hack version)
add ./dev tests server helper command
Update README.md

Update Travis CI badge, and add badges for Coveralls and CodeClimate.
changes based on Victor's suggestions
Merge branch 'master' of https://github.com/crowbar/crowbar
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.