ENH: Added foamDict utility

Signed-off-by: Michael Wild <themiwi@users.sourceforge.net>
ENH: Disable function entries by default

However, only OpenFOAM >= 2.0 supports this.

Signed-off-by: Michael Wild <themiwi@users.sourceforge.net>
Merge pull request #2 from themiwi/patches/proposed/foamDict

ENH: Added foamDict utility