+ add new tag.
+ add new version 7.2.5.
+ add 7.2.4 version.
+ add 7.1.stable.
+ add 6.4 version.
+ add 6.2 tag.
+ add 6.0.stable version.
+ add new tag for 5.3.stable.
+ add 5.2 version.
* tag for zentao5.1
+ add new tag for 5.0.stable.