Fixing issue where GreenHopper was using JIRA's API URL through _get_url.
Fixing issue where GreenHopper was using JIRA's API URL through _get_url.

m42e/jira,stevencarey/jira,dwmarshall/pycontribs-jira,coddingtonbear/jira,awurster/jira,dwmarshall/pycontribs-jira,tsarnowski/jira-python,systemadev/jira-python,rayyen/jira,rayyen/jira,coddingtonbear/jira,tsarnowski/jira-python,awurster/jira,jameskeane/jira-python,milo-minderbinder/jira,jameskeane/jira-python,m42e/jira,kinow/jira,stevencarey/jira,pycontribs/jira,systemadev/jira-python,dbaxa/jira,milo-minderbinder/jira,VikingDen/jira,akosiaris/jira,dbaxa/jira,kinow/jira,VikingDen/jira,akosiaris/jira,pycontribs/jira