Merge branch '96-add-hep_root-environment' into 'master'

Resolve "Add hep_root environment"

Closes #96

See merge request Pmodules/buildblocks!126

Programming/anaconda/2019.07/conda-env-defs/hep-root/README.md

@@ -0,0 +1 @@
+ROOT environment created on request from Alexander Skawran

Programming/anaconda/2019.07/conda-env-defs/hep-root/hep-root.yml

@@ -0,0 +1,12 @@
+name: hep_root
+channels:
+  - conda-forge
+dependencies:
+  -  python=3.7
+  -  root     
+  -  numpy    
+  -  root_numpy
+  -  pandas   
+  -  matplotlib
+  -  tensorflow
+  -  nb_conda_kernels