add bitstring extension to Python 2.7.11 easyconfigs

{tools}[intel/2016a] vsc-base 2.4.17 + vsc-install 0.9.18 w/ Python 2.7.11

{chem}[dummy/dummy] ADF v2014.02

redefine matplotlib 1.5.1 easyconfig as a bundle, also include cycler extension (dep for matplotlib)

{chem} [foss+intel/2015b] Plumed 2.2.1 2.1.3

{bio} [goolf/1.4.10] STAR-Fusion-0.6.0 and  STAR-2.5.1b (Review) 

style fixes

Add support for PyGTK with intel/2016a toolchain

fix GLib sanity check

New EasyConfig for OpenFOAM 3.0.0 with the foss 2016a toolchain

New LLVM 3.7.1 with the foss 2016a toolchain

{lib,tools}[intel/2016a] pip v8.0.2, testpath v0.3

sync with develop