8166186: ClassCastException with arguments usage
Reviewed-by: attila, sundar

8172183: Provide a javadoc description for jdk.dynalink module
Reviewed-by: attila, jlaskey

8080275: transparently download testng.jar for Nashorn testing
Summary: Instead of asking the user to manually download and install testng.jar, automate the process via "ant externals".
Reviewed-by: hannesw, sundar

8058551: Top level README accidentally modified with changeset 1025:3936203c7dc8
Reviewed-by: jlaskey, hannesw

8058545: With strict mode, bean property assignment of a non-existent property should result in TypeError
Reviewed-by: hannesw, lagergren

8038615: test262 repo is now a git repo in github
Reviewed-by: lagergren, hannesw

8005403: Open-source Nashorn
Reviewed-by: attila, hannesw, lagergren, sundar
Contributed-by: james.laskey@oracle.com, akhil.arora@oracle.com, andreas.woess@jku.at, attila.szegedi@oracle.com, hannes.wallnoefer@oracle.com, henry.jen@oracle.com, marcus.lagergren@oracle.com, pavel.semenov@oracle.com, pavel.stepanov@oracle.com, petr.hejl@oracle.com, petr.pisl@oracle.com, sundararajan.athijegannathan@oracle.com