Various fixes: add sanity check to GEOS and change homepage netcdf4-python

{numlib}[intel/2015b] SLEPc v3.6.2, PETSc v3.6.3, SuiteSparse v4.4.6

{math} [intel/2015b] Update numpy, scipy and pandas (REVIEW)

add easyconfig SLEPc-3.6.2-intel-2015b-Python-2.7.11.eb, add easyconfig PETSc-3.6.3-intel-2015b-Python-2.7.11.eb, add easyconfig SuiteSparse-4.4.6-intel-2015b-ParMETIS-4.0.3.eb

{math}[intel/2015b] ScientificPython v2.9.4, numpy v1.8.2 (REVIEW)

Add support for Spark 1.6

{numlib}[intel/2015b] Armadillo v6.400.3, Boost v1.59.0, arpack-ng v3.3.0 (REVIEW)

add easyconfig ScientificPython-2.9.4-intel-2015b-Python-2.7.11.eb, add easyconfig numpy-1.8.2-intel-2015b-Python-2.7.11.eb

{tools}[intel/2015b] vsc-mympirun-scoop v3.3.0, SCOOP v0.6.2 (REVIEW)

{bio}[foss/2015b] Bowtie 1.1.2 (REVIEW)

{devel}[intel/2015b] PyZMQ v15.1.0, ZeroMQ v4.1.4, util-linux v2.27.1, ... (REVIEW)

{devel}[foss/2015b] Boost 1.60.0 (REVIEW)

{math}[intel/2015b] FFC 1.6.0 (REVIEW)