remove custom exts_filter in GC3Pie easyconfigs, since PythonPackage will use right filter by default

add M4 as build dep for binutils & flex

remove custom exts_filter in GC3Pie easyconfigs, since PythonPackage will use right filter by default

Update dead link for SuiteSparse

{vis}[intel-2016a] GraphicsMagick 1.3.23 (REVIEW)

ncurses update to new defaults on cray

{vis}[gimkl/2.11.5] ParaView v4.4.0, libGLU v9.0.0

{tool}[foss-2015b] csvkit 0.9.1 (REVIEW)

{vis}[intel-2016a] GL2PS 1.3.9 (REVIEW)

{chem}[intel-2015b] Octopus 5.0.0 (REVIEW)

{numlib}[intel-2016a] SuiteSparse 4.5.1 with external METIS (REVIEW)

{numlib}[intel-2016a] qrupdate 1.1.2 (REVIEW)

{devel}[gimkl/2.11.5] Qt 4.8.7 (REVIEW)

{lang}[intel-2016a] R 3.2.3 with libX11 1.6.3 (REVIEW)

Fix Xerces-C++ download location

{vis}[gimkl/2.11.5] Mesa 11.1.2

{bio}[foss-2015b] BamUtil-1.0.13

{lang}[intel/2016a] Perl 5.22.1 (REVIEW)

add easyconfig LLVM-3.7.1-gimkl-2.11.5.eb, add easyconfig Mesa-11.1.2-gimkl-2.11.5.eb, add easyconfig eudev-3.1.5-gimkl-2.11.5.eb, add easyconfig flex-2.6.0-gimkl-2.11.5.eb, add easyconfig glproto-1.4.17-gimkl-2.11.5.eb, add easyconfig gperf-3.0.4-gimkl-2.11.5.eb, add easyconfig libdrm-2.4.67-gimkl-2.11.5.eb, add easyconfig libpciaccess-0.13.4-gimkl-2.11.5.eb, add easyconfig libxml2-2.9.3-gimkl-2.11.5.eb, add easyconfig makedepend-1.0.5-gimkl-2.11.5.eb, add easyconfig pkg-config-0.29-gimkl-2.11.5.eb

add missing libxml2 dependencies in GLib easyconfigs

enable XML::Bare in all Perl easyconfigs