ProcessManager docs + job deletion
Significant docs and deletion endpoint
Merge remote-tracking branch 'origin/master' into albranch

Conflicts:
	JobServer/JobServer/Controllers/CreateJobController.cs
	JobServer/JobServer/Controllers/JobProgressController.cs
	JobServer/JobServer/Executables/JobResultsController.cs
	JobServer/JobServer/Executables/ProcessManager.cs
Merge branch 'master' into JobResultBranch