Qt5.1.1 updated formula/sha1; remove unsupported -nomake options; fix to install_name_tool settings: adding new for #{opt_prefix}/lib/QtWebKitWidgets.framework/Versions/5/QtWebKitWidgets and fixing paths on existing were doubly-specifying folder target

Qt5.1.1 updated formula/sha1; remove unsupported -nomake options; comments removed

Qt5.1.1 fix to install_name_tool settings: adding new for #{opt_prefix}/lib/QtWebKitWidgets.framework/Versions/5/QtWebKitWidgets and fixing paths on existing were doubly-specifying folder target