Merge pull request #65 from scottpurdy/master

Attempt to resolve bug when disabledEncoder hasn't been set.
Merge dev-master into master
Updating README build status image with the one for dev-master, not the global status.
Merge pull request #72 from rhyolight/master

Updating build status image to use dev-master, not the global status
Change build script to take command-line override for installation directory. Also stop exporting the environment variables.