Gitblit 0.8.0

 * Groovy push hook script mechanism
 * Push email notifications via sendmail.groovy post-receive hook
 * ConfigUserService (users.conf) replaces FileUserService
   (users.properties)
 * Aggregate repository activity page
 * Selectable filters for the Repositories page and the Activity page
 * Teams to simplify management of user-repository access rights
 * Gravatar integration
 * Empty Repository page
 * Copy-to-clipboard feature for the primary repository url
 * Automatic "pages" link for a repository with a gh-pages branch