ArrivalR8

Results 2 issues of ArrivalR8

Remove scipy from How To Create Development Environments step 4 "Add dependencies" in doc/how_to_sprint.rst That is, only install numpy (specific version) as a dependency.

Remove these two unnecessary git commands from step 16 of The Typical Workflow in doc/how_to_sprint.rst: git pull upstream master git checkout fix/bug_name (as stated by Jonathan Rocher as he presented...