Rename common-state-tag to common-variant-tag.

Add version number to common-variant-tag from <version> property.
Change common-names to only return the common-variant-tag for temporary compatability.


[SVN r20822]

tools/build

@@ -1 +1 @@
-Subproject commit c42c0187257aba254bf493a416ac00418c351e67
+Subproject commit c73a3a7324f48da6e721f30936fea69f6805f100