Fixed inconsistency in ApiUrls.cs (#1287)
Fixed inconsistency in ApiUrls.cs (#1287)

* Fix inconsistecy in parameters name that used in methods that use "repos/{0}/{1}" syntax.

* added XML documentation for PullRequestFiles method

* updated XML documentation of some methods in ApiUrls

* added needed XML doc tags

* fixed name of parameter

* fixed name of parameter

* undo prev. commit

adamralph/octokit.net,shiftkey/octokit.net,ivandrofly/octokit.net,TattsGroup/octokit.net,gdziadkiewicz/octokit.net,ivandrofly/octokit.net,editor-tools/octokit.net,shiftkey/octokit.net,SmithAndr/octokit.net,dampir/octokit.net,thedillonb/octokit.net,M-Zuber/octokit.net,eriawan/octokit.net,Sarmad93/octokit.net,devkhan/octokit.net,gdziadkiewicz/octokit.net,shiftkey-tester/octokit.net,octokit/octokit.net,eriawan/octokit.net,shiftkey-tester-org-blah-blah/octokit.net,khellang/octokit.net,thedillonb/octokit.net,TattsGroup/octokit.net,rlugojr/octokit.net,alfhenrik/octokit.net,dampir/octokit.net,shana/octokit.net,devkhan/octokit.net,rlugojr/octokit.net,Sarmad93/octokit.net,M-Zuber/octokit.net,SmithAndr/octokit.net,shiftkey-tester-org-blah-blah/octokit.net,alfhenrik/octokit.net,khellang/octokit.net,shana/octokit.net,shiftkey-tester/octokit.net,octokit/octokit.net,editor-tools/octokit.net