Starting 'contributing' section page edits
Deleting screenshot from images folder
Using git edits
General page tidy 1
General dev docs tidy part 2
General edits/tidying 3
General dev docs page edits
Final dev doc page tidying/edits
Fixes as per Seb's suggestions
Merge pull request #247 from hflynn/rebased/develop/10213-edits

Developer Docs tidy (rebased onto develop)