DATACMNS-131 - Some pom work before the release.

Upgrade to Spring Data build 1.0.3.BUILD-SNAPSHOT. Declare Spring WebMVC dependency to make sure Spring libs are pulled in consistently.
DATACMNS-131 - Upgrade to Spring Data Build 1.0.3.RELEASE.
DATACMNS-131 - Prepare 1.3.1.RELEASE.

Updated changelog, notice and readme.