add #ifndef DISABLE_LOCAL_INTERFACE: if defined, the local interface is left out.  used to make sure the loca interface is not used by accident

[[Imported from SVN: r173]]
defined an enum intersectionCodim that places degrees of freedom in intersections

[[Imported from SVN: r174]]
local finite element for mimetic finite difference method
(ie one degree of freedom per intersection)

[[Imported from SVN: r175]]
the number of the beast is 666

[[Imported from SVN: r176]]
weg damit

[[Imported from SVN: r177]]