Implemented pull request review comments API
Removed _links field from review comment
Added basic integration testing for review comments client
Checking that we are getting a Http Code 201 when creating a comment
Replaced public properties by readonly fields with a public getter and cleaned code
Merging
Fixed projects afer merge
Replaced read only fields by private setters in auto properties
Merge
Merge branch 'master' into review-comments
Fixed the Integration project that I broke
Added blob and tree creation to review comments integration tests
Merge branch 'master' into review-comments
Merge
Replaced forking by branching
Code and tests for editing an organization.
reworking CONTRIBUTING to be more than bullet points
add some new sections

expanded on "How is the codebase organised?" and "What needs to be done?"
added notes about integration tests
moved project structure notes in