Add deprecation notice for use_gplextras.
First draft of README.markdown.

Switching to a new format as documented here:
https://docs.puppetlabs.com/puppet/3/reference/modules_documentation.html
Second pass at README.markdown updates.
Removed all template notes from README.markdown.
Added Cloudera Certified logo to README.markdown.
Third pass at README.markdown updates.
Renamed yumserver and yumpath parameters to repo*.

Added sections to the table of contents.
Added license in README.
Changed name of module in README from 'cloudera' to 'Cloudera Manager'/
Added deprecation warning for yumserver and yumpath.
Include additional defaults for TLS parameters.
Rearrange Usage section of the README.markdown.
More polishing of README.markdown.
Rename parameter use_gplextras to install_lzo.
Add deprecation notice for use_gplextras.
Added Upgrading to TOC.
Add local logo_Cloudera_Certified.jpg to README.
Merge branch 'feature/overhaul_readme' into develop
Removed README.md.
Add metadata.json back to .gitignore.
Update versions for 2.0.0 release.
Merge branch 'release/2.0.0' into develop