Merge pull request #1 from MikaelSlevinsky/master

Merge feature
Merge pull request #2 from MikaelSlevinsky/feature-HigherOrderBcs

Merge pull request #1 from MikaelSlevinsky/master
syncing fork
Update roots convenience routines
More base overrides
Merge pull request #28 from MikaelSlevinsky/master

Convenience routines for roots and more Base overrides