Issue #176 - Add routing information
Issue #176 - Fix bugs in action
Issue #176 - Add unfreezing points
Issue #176 - Fix action bugs
Issue #176 - Fix unfreezing points
Issue #177 - Pull develop and fix conflicts
Merge pull request #306 from ndomar/C1_omarelazazy_#27_withdraw_offer

 S[27]: As an offerer, I can withdraw my offer