add custom sanity check paths in Perl XML easyconfigs

add custom sanity check paths in mpi4py easyconfigs

more Bioconductor pkg version bumps

enable building of ld.gold in binutils 2.25

add custom sanity check paths for PyQt

{math}[GNU/4.9.3-2.25] GMP 6.0.0a (REVIEW)

fix include path for SIP

add sanity check paths for FPM

Typo that left in line

use --enable-plugins along with --enable-gold

fix installation prefix for SIP

add binutils build dep in M4, flex, Bison easyconfigs

don't touch the FPM easyconfig

fix typo in M4 easyconfigs filename

sync with develop & resolve conflict

sync binutils 2.25 easyconfigs to enable ld.gold

Reluctantly removed advice on how to include a libiberty installation as part of binutils :P

add flex/Bison as build deps in binutils easyconfig

{bio}[intel/2015a] AFNI 20141023 (REVIEW)

{lib}[intel/2015a] pandas 0.16.2 w/ Python 2.7.10 (REVIEW)

{tools}[intel/2015a] pbs_python w/ Python 2.7.10 (REVIEW)