OpenFOAM foss 2015.05 flavour: needed for Centos6 on Haswell

{lang}[intel/2015a] R-bundle devtools (Rv3.1.3) (REVIEW)

cleaned comments in flex-2.5.39-foss-2015.05.eb libreadline-6.3-foss-2015.05.eb ncurses-5.9-foss-2015.05.eb OpenFOAM-2.3.1-foss-2015.05.eb SCOTCH-6.0.4-foss-2015.05.eb

fix versionsuffix for extra R-bundle dep

add patch for installing paycheck as Py3 extension

{lang}[intel/2015a] bundle with extra R extensions (REVIEW)

{chem} [intel/2015a] CHARMM 37b2 (REVIEW)

{vis}[intel/2015a] SPIDER 22.10 (REVIEW)

[foss-2015.05] GCC+binutils as base (REVIEW)

rename to R-bundle, depend on -extra bundle

{vis}[intel/2015a] matplotlib 1.4.3 (w/ Python 3.4.3) (REVIEW)

{phys}[intel/2015a] FDS r17534 + rr22681

{lang} Ruby-2.1.5 foss-2015a with fpm (REVIEW)

include Tcl and Tk as dependencies in R easyconfig (REVIEW)