JAVA-98: Updated proposal including PolicySets changes

[Simon Nash <oasis@cjnash.com>]

My apologies for all the proposal churn.  The following links include
changes for @PolicySets to make this consistent with the changes for
intent annotations.

http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/32147/sca-javacaa-1.1-spec-cd02-rev4%20issue98%20PolicySets.doc
http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/32148/sca-javaci-1.1-spec-wd07%20issue98%20policySets.doc
http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/32149/sca-javacaa-1.1-spec-cd02-rev4%20issue98%20PolicySets.pdf
http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/32150/sca-javaci-1.1-spec-wd07%20issue98%20policySets.pdf

Please review this version of the proposal.

   Simon