fix templates for emacs
ignore automatically generated files
scotch as its own cmake file now
added test with create sub mesh
added print
use LOG(INFO) for print
@asamake fix for interpolation case
@asamake fix integrate for mortar basuis function
now integrate(elements(mesh),idt(u)*id(l)) works without having to separate 
internal and boundary elements
some debug info
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop