I tried installing ZeroReserve on Xubuntu 14.0.4.2 and get the following error.
:~/.retroshare/extensions/ZeroReserve$ qmake && make clean && make
WARNING: /home/xxx/.retroshare/extensions/ZeroReserve/ZeroReserve.pro:1: Unable to find file for inclusion ../Common/retroshare_plugin.pri
Project ERROR: Could not include file ../Common/retroshare_plugin.pri
Also this decentralised exchange may be best suited at intra altcoin exchange to and from bitcoin.