Implement audio_mute_request.
Implement privacy_override_request.
Enable actions in telephony_request.
Reset Mute and PrivacyOverride for call.
Fix typo in resource_owner.
Add group feedbacksound.
Disable audio playback of non-resource apps.

Cork othermedia type of streams always. Othermedia accounts for
streams that either aren't classified in xpolicy.conf or that
haven't acquired resources from resource manager.
Mute audio playback of non-resource apps.

Mute (set volume limit 0) othermedia type of streams always.
Add call context change in hooks
Changed context handling from hooks to prolog

- New file context.pl for context prolog.
- Removed call context handling in hooks and created context target for prolog
- Added context module to be loaded in policy.pl
Merge pull request #1 from tihonko/master

Add call context change in hooks
[policy] Add policy related dbus config.
Merge branch 'master' into n900
[packaging] Add rpm packaging.