{chem,math}[foss/2017b] Cantera v2.3.0, SUNDIALS v2.7.0 + deps

{data,devel,math}[foss/2017b] GDAL v2.2.3, GEOS v3.6.2, SWIG v3.0.12

{geo}[foss/2017b] SpiceyPy v2.1.0

fix checksum for Szip 2.1.1

{devel}[foss/2017b] SCons v3.0.1 with Python 3.6.3

add Log4perl extension to Perl 5.26.0 easyconfigs (+ clean up checksums)

adding easyconfigs: GDAL-2.2.3-foss-2017b-Python-3.6.3.eb, GEOS-3.6.2-foss-2017b-Python-3.6.3.eb, SWIG-3.0.12-foss-2017b-Python-3.6.3.eb

use official patch to fix issues with Octave's signal package

add patch for signal package in Octave 4.2.1 easyconfigs (+ add SHA256 checksums)

{data}[intel/2017a] PyTables v3.4.2 w/ Python 3.6.1

specify that EasyBuild v3.5.0 is required in updated R easyconfigs

{vis}[intel/2017b] ImageMagick v7.0.7-14, LittleCMS v2.9, Ghostscript v9.22

{devel}[intel/2017b] SCons v3.0.1

{bio} [intel/2017a] Trinity 2.5.1

fix name in TensorFlow easyconfigs

{vis}[intel/2017b] motif v2.3.8

{geo}[intel/2017b] SpiceyPy v2.1.0

adding easyconfigs: ImageMagick-7.0.7-14-intel-2017b.eb, LittleCMS-2.9-intel-2017b.eb, Ghostscript-9.22-intel-2017b.eb

update Octave easyconfigs to use Octave easyblock, add extensions for latest Octave versions

include std=c++11 in compiler options when building Octave 4.2.1 with intel toolchain, required for some extensions