8175261: Per-protocol cache setting not working for JAR URLConnection
Reviewed-by: dfuchs, michaelm

6947916: JarURLConnection does not handle useCaches correctly
Reviewed-by: chegar

8081517: minor cleanup for docs
Summary: fix some tidy and javadoc warnings/errors
Reviewed-by: lancea, rriggs

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com