0.12dev: Removed revision number from Genshi requirement, as it makes the updated build hosts fail (Genshi was reinstalled from the repository with Subversion 1.6).
0.12dev: Removed revision number from Genshi requirement, as it makes the updated build hosts fail (Genshi was reinstalled from the repository with Subversion 1.6).

Related to #8365.

pkdevbox/trac,pkdevbox/trac,pkdevbox/trac,pkdevbox/trac