Provide hint on how to set defaults for `impi` to use intel compilers

release EasyBuild v2.5.0

bump version to 2.5.0 and update release notes

Use 32bit METIS in OpenFOAM-Extend 3.2

add Python as dependency for InterProScan

{cae} [intel-2015a] OpenFOAM 2.3.1 with external dependencies (REVIEW) 

{cae} [intel-2015b] OpenFOAM 2.4.0 with external dependenices (REVIEW)

{cae} [gimkl/2.11.5] OpenFOAM-Extend 3.2 (REVIEW)

{cae} [intel-2015b] OpenFOAM 3.0.0. external dependencies (REVIEW)

Use maxparallel in OpenFoam-Extend

move Qt5/Net-LibIDN/SRA-Toolkit/bbftpPRO/o2scl easyconfigs to right location and enhance unit tests to prevent it from happening again

Harden dummy:dummy binutils

{chem}[intel/2015b] DIRAC 14.1 (REVIEW)

ParaView Download problems 

By adding the system library path using the `rpath` option, the
resulting binaries should be 'harden' to work in an environment with a
other libstdc++ etc. The rpath will make sure it always finds the
correct library.

InterProScan needs Java 1.7.x

rename patch files for OpenFOAM according to (our) 'standards'