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)

Add support for ld.gold and option to build libiberty

{*}[dummy] Hadoop 2.6.0-cdh5.4.5-native + Spark 1.4.1 (REVIEW)

{tools}[intel/2015a] IPython 3.2.1 w/ Python 2.7.10 (REVIEW)

{vis}[intel/2015a] matplotlib 1.4.3 w/ Python 2.7.10 (REVIEW)

{chem}[intel/2015a] Molpro 2012.1.27 (REVIEW)

{chem}[intel/2015a] PSI 4.0b5 w/ higher max. angular momentum + Python 2.7.10, Boost 1.59.0 (REVIEW)

PSI4 version with maxam=7

* 'psimaxam7' of github:wpoely86/easybuild-easyconfigs:
  fix versionsuffix to include -Python-2.7.10

1851 bioconductor bundle updates