Merge branch 'release/0.3.2' into develop
Use the enabled-topics config key for our text processors, and enabled-filters for our custom filters.

This simplifies our values to being just a space-delimited string instead of
JSON lists.
Add a Gtk Notebook and populate our our Topics tab
Add our url to the package metadata
Simplify our filter config and use a single enabled-filters key.

We can expand this and make it more flexible when we need to.
Add an emit-dbus-signals option that allows us to proxy fedmsg to dbus.
Merge branch 'master' into develop

Conflicts:
	conf/org.fedoraproject.fedmsg.notify.gschema.xml
	fedmsg_notify/daemon.py
Update our docs to describe how to disable the dbus relay
Link to the package profile
add a docstring
Add an Advanced tab
Add descriptions to each filter
Add an Advanced tab with an on/off switch for each filter
Padding and alignment tweaks
Consolidate our Gtk widet properties to minimize function calls.
Add 2013 to the copyright
Allow filters to require user entry
Add a filter-settings config key
Get the custom filter settings working
Add a package filter