bump version and update changelog after branching train-2012.06.22

ChangeLog

+train-2012.07.06: (in progress)
+
 train-2012.06.22:
   * browserid.org now redirects to login.persona.org, all URLs are updated: #1743
   * Websites can now provide their name and logo (requires SSL) to be displayed in the dialog: #1098, #1761

scripts/browserid.spec

 %define _rootdir /opt/browserid
 
 Name:          browserid-server
-Version:       0.2012.06.22
+Version:       0.2012.07.06
 Release:       1%{?dist}_%{svnrev}
 Summary:       BrowserID server
 Packager:      Pete Fritchman <petef@mozilla.com>