add SC3 extension into bundle for Bioconductor 3.5 (+ dep extesions in R easyconfig)

{toolchain} GCC 7.2.0 + binutils 2.29

{bio}[foss/2017a] MRtrix v3.0_RC2

{math}[dummy/dummy] Eigen v3.3.4

{devel,lib,vis}[foss/2017a] Qt v4.8.7, GLib v2.52.0, Mesa 17.0.2, libGLU v9.0.0 (+ deps)

stick to GCCcore toolchain for libdrm, nettle, PCRE, util-linux + add SHA256 checksums in touched easyconfigs

iompi: OpenMPI dependency must come after icc/ifort

adding easyconfigs: Qt-4.8.7-foss-2017a.eb, GLib-2.52.0-foss-2017a.eb, libGLU-9.0.0-foss-2017a.eb, Mesa-17.0.2-foss-2017a.eb, PCRE-8.40-foss-2017a.eb, util-linux-2.29.2-foss-2017a.eb, nettle-3.3-foss-2017a.eb, libdrm-2.4.76-foss-2017a.eb, Mako-1.0.6-foss-2017a-Python-2.7.13.eb, libxml2-2.9.4-foss-2017a-Python-2.7.13.eb

{vis}[foss/2017a] matplotlib 2.0.2

{devel}[dummy/dummy] Maven v3.5.0

{devel}[GCCcore/6.4.0,dummy/dummy] CMake v3.9.1

Working on different png versions in png and freetype dependency in
matplotlib

Added checksum as of boegel’s request (cut-n-paste from his email)

{bio}[foss/2016b] SAMtools v1.5

{devel}[dummy/] Spark v2.2.0

{data}[intel/2017a] destiny 2.5.6 w/ R 3.4.0

{vis}[intel/2017a] plotly 4.7.1 w/ R 3.4.0

{bio}[intel/2017a] SCnorm 0.99.7 w/ R 3.4.0

add additional extensions for R 3.4.0 and Bioconductor 3.5 bundle