8165646: (jdeprscan) adjust tool output to improve clarity
Reviewed-by: jjg, psandoz

8161338: (jdeprscan) remove JEP 293 non-conforming -cp option
8165927: (jdeprscan) com.sun.tools.jdeprscan.Main.instance should be package protected
Reviewed-by: jjg

8145464: implement deprecation static analysis tool
Reviewed-by: psandoz, darcy