epics-util: switch to java 1.7
epics-util: switch to java 1.7

diirt/diirt,ControlSystemStudio/diirt,ControlSystemStudio/diirt,berryma4/diirt,berryma4/diirt,diirt/diirt,diirt/diirt,berryma4/diirt,berryma4/diirt,richardfearn/diirt,richardfearn/diirt,richardfearn/diirt,ControlSystemStudio/diirt,ControlSystemStudio/diirt,diirt/diirt