Changed version to 2.4
Merge pull request #268 from agtorre/master

Changed version number
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
Fix some compiler warnings reported by Clang 3.4.0
New hash for Container mode hostdirs (side effect, much better
distribution on N-N backends as well)
Made algorithm more clear
Merge pull request #276 from thewacokid/master

Updated hashing...
Updated syntax to avoid compiler warnings
Removed yaml-cpp library.
Updated build flags and a compiler warning with Clang 4.2
Added more checks (-Wextra), fixed compiler warning
Added another useful warning flag