8198425: make/Main.gmk Add extra extension/override points to the make file
Reviewed-by: erikj
Contributed-by: groeges@uk.ibm.com
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
.*/JTreport/.*
.*/JTwork/.*