More work on mini ghost: fixing bugs with error calculation
Partially reverting accidently commited files
Starting to clean up mini ghost app
Fixing warnings, temporary work around msvc problems

Conflicts:
	examples/mini_ghost/stepper.cpp
Adding closed tickets to docs
Removing declaration of a function which does not exist anymore
Add all-to-all and distribution cmd line options
Changes to slurm script for castor parameter study
Don't abort if some data is missing and plot is incomplete

Give separate parameters groups a label over the legend
Docs typos
Windows build fixes for JB
Use zero copy in test