Added util_approx_equal
WH??
ecl_rsthead.c + well_conn dual poro aware
Remove ecL-intehead
Merge pull request #46 from joakim-hove/well-dualp2

Well dualp2
Inlined content of util_fork.h into main util.h + removed flag -fno-leading-underscore
Merge pull request #49 from joakim-hove/attgeir

Inlined content of util_fork.h into main util.h + removed flag -fno-lead...