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Since TeamCity 8.0: Create (or copy) a project: POST XML <newProjectDescription name='New Project Name' id='newProjectId' parentProjectcopyAllAssociatedSettings='true'><parentProject locator='id:project1' copyAllAssociatedSettings='true'/><sourceProject locator='id:project2'/></newProjectDescription>
to http://teamcity:8111/httpAuth/app/rest/projects
TeamCity 7.0-7.1.x: Copy a project: POST XML <newProjectDescription name='Project Name' sourceProjectLocator='id:project2' copyAllAssociatedSettings='true' shareVCSRoots='false'/>
to http://teamcity:8111/httpAuth/app/rest/projects
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