added getPathForPullRequest in GitHubURL
added getPathForPullRequest in GitHubURL

ianngiaw/HubTurbo,HyungJon/HubTurbo,gaieepo/HubTurbo,Honoo/HubTurbo,gaieepo/HubTurbo,ianngiaw/HubTurbo,Honoo/HubTurbo,saav/HubTurbo,saav/HubTurbo,Sumei1009/HubTurbo,Sumei1009/HubTurbo,HyungJon/HubTurbo