add six/ecdsa as dep for dateutil/paramiko in Python 2.7.5 easyconfigs

fix osdeps spec in OpenMPI easyconfigs, stop relying on OS_NAME

add six/ecdsa as dep for dateutil/paramiko in Python 2.7.3 cg*olf easyconfigs

{cae}[intel/2015a] GATE 6.2 (REVIEW)

pigz easyconfigs for goolf-1.4.10 and ictce-6.2.5

makeopts -> buildopts

{bio}[foss/2015a, intel/2015a] Minimac 3 (REVIEW)

{viz} [intel-2015a] Xmipp (OK)

{bio}[goolf/1.4.10] Minimac 20140110 (REVIEW)

bump Xmipp deps to latest version

fix Minimac 'version'

{lang}[intel/2015a] R 3.1.3

{lang} [foss/2015a]  R 3.1.3 (REVIEW)

{vis}[intel/2015a] libXp 1.0.2 + deps (REVIEW)

{vis}[goolf/1.5.14] libXp 1.0.2 + deps (REVIEW)