added print of compression constants
compression constants calloc'd
Get module to compile with PGI 13.10 compiler suite.

The result is not really flattering, the optimization level has to be pretty low (-O1) in release mode.
This is because PGI optimizations hurt (very, very badly) Eigen
Merge branch 'master' of repo.ctcc.no:pcmsolver
Merge branch 'master' into release

Conflicts:
	src/pwl/compression_pwl.c