TSP-4673 Added branch forking support
TSP-4673 Added Json POST request body parser for JIRA
TSP-4673 Completed branch create methods with reference support
TSP-4673 Moved GitHub owner and repo into GitHub client constructor
TSP-4673 Replace BambooClient JIRA calls with JIRA POST request body data
TSP-4673 Small fix for branch merging
Merge pull request #26 from ticketscript/TSP-4673-fork-branch

TSP-4673 fork branch