netgen: use a tarball instead of a clone

Fixes: #111
23 jobs for !732 with netgen-tarball
latest detached
Status Name Job ID Coverage
  Build
passed build:centos7-aeva #5604685
build cmb docker linux manual

00:18:31

manual build:centos7-modelbuilder #5604678
build cmb docker linux manual
passed build:centos7-vtk #5604679
cmb docker linux build manual

00:12:20

manual build:centos7-vtk-python2 #5604680
build cmb docker linux manual
manual build:macos-aeva #5604686
cmb macos shell xcode-11.5 nonconcurrent manual
manual build:macos-modelbuilder #5604681
cmb macos shell xcode-11.5 nonconcurrent manual
manual build:macos-smtk #5604682
cmb macos shell xcode-11.5 nonconcurrent manual
manual build:windows-vs2019-aeva #5604687
cmb msvc-19.26 nonconcurrent shell vs2019 windows manual
manual build:windows-vs2019-modelbuilder #5604683
cmb msvc-19.26 nonconcurrent shell vs2019 windows manual
manual build:windows-vs2019-smtk #5604684
cmb msvc-19.26 nonconcurrent shell vs2019 windows manual
 
  Test
passed test:centos7-aeva #5604695
cmb docker linux x11

00:02:59

created test:centos7-modelbuilder #5604688
cmb docker linux x11
passed test:centos7-vtk #5604689
cmb docker linux x11

00:02:04

created test:centos7-vtk-python2 #5604690
cmb docker linux x11
created test:macos-aeva #5604696
nonconcurrent cmb macos shell xcode-11.5
created test:macos-modelbuilder #5604691
cmb macos shell xcode-11.5 nonconcurrent
created test:macos-smtk #5604692
cmb macos shell xcode-11.5 nonconcurrent
created test:windows-vs2019-aeva #5604697
cmb msvc-19.26 nonconcurrent shell vs2019 windows
created test:windows-vs2019-modelbuilder #5604693
cmb msvc-19.26 nonconcurrent shell vs2019 windows
created test:windows-vs2019-smtk #5604694
cmb msvc-19.26 nonconcurrent shell vs2019 windows
 
  External
passed cdash-aeva-commit

passed cdash-public-commit

passed ghostflow-branch-check-master