{lib,vis}[intel/2016a] Yade v1.20.0 & deps

{devel,tools}[dummy/] Hadoop v2.6.0-cdh5.7.0, CMake v3.5.2

{tools}[intel/2016a] IPython v4.2.0

add easyconfig Yade-1.20.0-intel-2016a-Python-2.7.11.eb, add easyconfig Qt-4.8.7-intel-2016a-GLib-2.48.0.eb, add easyconfig PyGTS-0.3.1-intel-2016a-Python-2.7.11.eb, add easyconfig minieigen-0.5.3-intel-2016a-Python-2.7.11.eb, add easyconfig libQGLViewer-2.6.3-intel-2016a-Mesa-11.2.1.eb, add easyconfig IPython-3.2.3-intel-2016a-Python-2.7.11.eb, add easyconfig GTS-0.7.6-intel-2016a.eb, add easyconfig GL2PS-1.3.9-intel-2016a-Mesa-11.2.1.eb, add easyconfig Loki-0.1.7-intel-2016a.eb, add easyconfig matplotlib-1.5.1-intel-2016a-Python-2.7.11-freetype-2.6.3.eb, add easyconfig freeglut-3.0.0-intel-2016a-Mesa-11.2.1.eb

sync with develop

{data}[intel/2016a] netCDF-Fortran v4.4.4, netCDF-C++4 v4.3.0

{devel}[dummy/dummy] Maven v3.2.3, Maven v3.3.3, Maven v3.3.9

don't hardcode versions in source templates for extensions

add SQLite dep in Python, use %(pyver)s templates in IPython easyconfig

{tools}[intel/2015a] IPython 4.0.0 (REVIEW)

add missing extension pexpect

fix source URL for SQLite

add testpath as a dependency to IPython

fix conflicts in IPython 4.1.0 dependencies

fix source for snappy 1.1.3, drop autogen

{devel}[dummy/] Spark v1.6.1