[hamster_integration] Update manifest.ini

hamster/manifest.ini

 [info]
 name: Hamster integration
 short_name: hamster_integration
-version: 1.2.0
-description: Integration with project hamster
- see https://trac.gajim.org/ticket/6993
- and http://projecthamster.wordpress.com/about/
+version: 1.2.1
+description: Integration with project hamster, see http://projecthamster.wordpress.com/about/
 authors: Denis Fomin <fominde@gmail.com>
-homepage: http://trac-plugins.gajim.org/wiki/
+homepage: https://dev.gajim.org/gajim/gajim-plugins/wikis/hamsterintegrationplugin
 min_gajim_version: 1.1.91
 max_gajim_version: 1.2.90