8074716: IntelliJ IDEA project support Reviewed-by: rriggs Contributed-by: Chris Hegarty <chris.hegarty@oracle.com>, Maurizio Cimadamore <maurizio.cimadamore@oracle.com>

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/