RFR 81928080 Remove RuntimeSupport and refactor, move Transformer to internal package

[Sundararajan Athijegannathan]

Please review http://cr.openjdk.java.net/~sundar/8192808/webrev.00/

Moving java.nicl.types.Transformer to 
jdk.internal.nicl.types.Transformer. Removing java.nicl.RuntimeSupport. 
The public utility methods methods useful for application have been 
moved to java.nicl.Scope and java.nicl.Pointer.

Thanks,
-Sundar