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1. change base pom <parent> master to version 2.6.2
2. delete redundant 2.6.2 release branch in each of the projects' svn /branches (using tag instead)
3. update .externals to point to tag
4. update WAS project <properties> to match tag version
5. update api dependencies in master to correct version; check all other projects for dependencies on entitybroker, ets and polls and update if necessary.
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