* develop:
  add easyconfig gperftools-2.5-intel-2016b.eb
  add easyconfig gperftools-2.5-intel-2016b.eb, add easyconfig libunwind-1.1-intel-2016b.eb
  Circos 0.69-2 using ictce 5.5.0 toolchain
  clean up libxml2 easyconfigs according to updated libxml2 easyblock
  Add comment in patch about it's purpose
  Add CMake/3.6.1 for intel/2016b

clean up libxml2 easyconfigs according to updated libxml2 easyblock

Build the Tk module for Python requires a full X11 stack. We want to
avoid that.

specify correct MPI target in FDS easyconfigs

{vis}[intel/2016b] X11 v20160819 (REVIEW)

clean up sources spec for gdc-client bundle easyconfig

{data}[intel/2016b] dask v0.11.0 (REVIEW)

{lib}[intel/2016b] pandas v0.18.1 (REVIEW)

add easyconfig dask-0.11.0-intel-2016b-Python-2.7.12.eb, add easyconfig dask-0.11.0-intel-2016b-Python-3.5.2.eb

add easyconfig pandas-0.18.1-intel-2016b-Python-2.7.12.eb, add easyconfig pandas-0.18.1-intel-2016b-Python-3.5.2.eb

{math,phys}[ictce/5.5.0] HEALPix 2.20a,  CRPropa 2.0.3

add ictce easyconfig file for VCFtools