Added support for non-conforming divergence free Lobatto HDIV basis.  Not sure if this make mathematical sense (EXPERIMENTAL).
Various fixes to support vector trial functions.
DIV_FREE space enum definition.
Fixes for vector field variables
Added support for trial/test enhancement to Mesh static construction method.
Various driver work.
Merge branch 'master' of github.com:CamelliaDPG/Camellia
Merge branch 'master' of github.com:CamelliaDPG/Camellia