add easyconfig file for GAMESS-US 2014.12.05-R1, including patch to make rungms work with SLURM

add easyconfig for GAMESS-US

{chem} [intel/2015a] PSI4 git rev 3815c4672b2 (REVIEW)

fix Bison build dep in MVAPICH2 easyconfig

{chem}[dummy] ORCA v3.0.2 (REVIEW)

fix conflict detection by considering build deps separately from runtime deps

New Easyconfig for ORCA 3.0.3

{tools}[*] parallel: add required Perl dep (REVIEW)

add easyconfig with OpenFOAM 2.2.2 + required patches

{bio}[foss-2015a,goolf-1.4.10] Samtools 1.2 update (REVIEW)

Fixes serveral issues

{lib} [*] Drop the `-shared` flag passed when building zlib (REVIEW)

* develop:
  speed up unit tests by switching to fetch_parameters_from_easyconfig

speed up unit tests by switching to fetch_parameters_from_easyconfig