Updated ChangeLog to include feature updates and additions
Updated ChangeLog format
Merge pull request #270 from thewacokid/master

Updated ChangeLog for 2.4 release
Update README documentation

* Add a "What's New" section to point folks to the Changelog file
* Update regression suite information on where to get it and how to use
  it
Add a comment about keeping build and install dirs separate.
Fix the English on that additional comment.
Fixed plfs-yaml lib name for static version
Merge pull request #272 from thewacokid/master

Fix plfs-yaml lib output name
Merge pull request #271 from dshrader/master

Update to README