fix version in PETSc 3.7.3 easyconfigs + add --LIBS configure option

stick to pydot 1.1.0 for Python 2.6 in Travis config

add pim to list of R 3.2.3 extensions

{tools}[intel/2016a] ffnet v0.8.3

{tools}[GCC/4.9.3-2.25] Emacs v24.5

{math}[intel/2016a] PETSc v3.7.2, SuiteSparse v4.5.3, Hypre v2.11.1, ...

add easyconfig PETSc-3.7.2-intel-2016a-Python-2.7.11.eb, add easyconfig SuiteSparse-4.5.3-intel-2016a-ParMETIS-4.0.3.eb, add easyconfig Hypre-2.11.1-intel-2016a.eb, add easyconfig FIAT-1.6.0-intel-2016a-Python-2.7.11.eb, add easyconfig ScientificPython-2.9.4-intel-2016a-Python-2.7.11.eb, add easyconfig sympy-1.0-intel-2016a-Python-2.7.11.eb, add easyconfig mpmath-0.19-intel-2016a-Python-2.7.11.eb, add easyconfig numpy-1.8.2-intel-2016a-Python-2.7.11.eb

define $SVN_REVISION to supress 'Not a git repository' messages in TVB easyconfig

{lib}[intel/2016a] The Virtual Brain (REVIEW)

Gurobi 6.5.1

add ALDEx2 to bundles for Bioconductor 3.2

don't hard specify toolchain for binutils build dep in likwid easyconfig, since it matches parent toolchain

don't hard specify toolchain for binutils build dep in likwid easyconfig, since it matches parent toolchain