Fix broken convolution

A few other tidy ups as well
Fix graph-ish

Still need to sort out the axis numbering and ticks
Organise output graphs
Add instruction for test one to README
README tidy up formatting
add std deviation parameter
Add introduction and some theory
Merge branch 'master' of https://github.com/thisMagpie/fair-testing
Tidy uo and add convolution method
Create class to perform operations on arrays
Add java documentation

And remove array init method
Adjust input params
Change params
Start adding bib refs
Add scan and write methods

Essentially this just allows a simple job to be simple and less
ugly
Formatting tidy
Minor Tidy
Finally sort out what params you want
Organise output writing into single method call
Create compile n run script