Add missing checksums in foss-2016b easyconfigs

{vis}[GCCcore/5.4.0] JasPer v1.900.1

{numlib}[iccifort/2016.3.210-GCC-5.4.0-2.26] NLopt v2.4.2

{numlib}[GCC/5.4.0-2.26] NLopt v2.4.2

[dummy] ifort 2017.4.196 - Add patch checksum

[GCCcore/6.4.0] ncurses 6.0 - Add patch checksum

{lib}[GCCcore/5.4.0] LibTIFF v4.0.6

Fix download URL for Kent tools

{tools}[intel/2017b] NCO v4.7.1

{bio}[intel/2017b] Stacks v1.48

{perf}[foss/2017a] Extrae v3.4.1

switch to using install_target rather than now deprecated use_easy_install and use_setup_py_develop

{data}[intel/2018a] HDF5 v1.10.1

{bio}[foss/2016b] QUAST v4.6.0

{lib}[GCCcore/5.4.0] libdrm v2.4.70

{vis}[GCCcore/5.4.0] pixman v0.34.0

foss/2018a toolchain (+ HPL easyconfig as test case)

intel/2018a toolchain (+ HPL easyconfig as test case)

adding easyconfigs: NCO-4.7.1-intel-2017b.eb, ANTLR-2.7.7-intel-2017b.eb, UDUNITS-2.2.26-intel-2017b.eb