[8u60] approval request for 8074021: Indirect eval fails when used as an element of an array or as a property of an object

[A. Sundararajan]

Bug: https://bugs.openjdk.java.net/browse/JDK-8074021
jdk8u webrev: http://cr.openjdk.java.net/~sundar/8074021/8u60/webrev.00/
jdk9 review thread: 
http://mail.openjdk.java.net/pipermail/nashorn-dev/2015-February/004218.html

Backported "as is" except for modular source layout changes.

Thanks,
-Sundar