Merge branch 'develop' into gnuplot5

* develop: (294 commits)
  bump vsc-base dep for v2.0.4
  bump version to v2.1.0dev
  bump version to v1.16.2.0, update release notes
  add easyconfig file for EasyBuild v2.0.0
  add easyconfig file for EasyBuild v1.16.2
  minor fixes in release notes
  fix filenames for sparsehash easyconfigs
  fix 'sources' spec in sparsehash easyconfigs
  fix name of sparsehash dep in ABySS easyconfig
  include #1452 in release notes
  actually, the correct name is 'sparsehash'...
  fix name in google-sparsehash easyconfig
  fix moduleclass in HPCBIOS easyconfigs
  bump to v2.0.0 + update release notes
  fix name of google-sparsehash easyconfig
  use new 'bundle' moduleclass for bundles
  Added libxml as build dep to Clang
  removed 2.2.30
  cleanup
  added BLAST+ folder
  ...