Merge pull request #258 from thewacokid/master

Added Werror and Wshadow to default build
changing CMakeLists.txt to rc4 and tagging
Merge pull request #264 from agtorre/master

Tagging RC4
Update Changelog with rc4 information.

The Changelog and README.developer files now have information about
using Werror and Wshadow on by default.
Merge pull request #265 from dshrader/master

Update docs with changes that happened in rc4