if you just run "pyrcc4 icons.qrc -o gui/icons_rc.py" as stated in the README, you get the following error when starting Electrum
Error: Could not import icons_rc.py, please generate it with: 'pyrcc4 icons.qrc -o gui/qt/icons_rc.py'
ports do not necessarily install qt_menu.nib in /opt/local/lib/Resources/
it could be anywhere under /opt/local, changed code to search /opt/local, if necessary
fix problem https://github.com/spesmilo/electrum/issues/454
Merge pull request #510 from tessus/master

fix #454, README update, minor setup-release.py change