Add timestamp and pushName parameters to media message signals for consistency and usefulness; fix getting pushName for WAUTH-2.
Merge branch 'master' of https://github.com/tgalal/yowsup
Add Caption parameter to the signals for received images and videos; WARNING: changes API.
Fix error detection when parsing profile picture message.

For users that don't have a profile picture when we request one we receive this answer from WhatsApp:
<iq type="error" from="NNNNNNNNNNN@s.whatsapp.net" id="get_picture_2">
    <error text="item-not-found" code="404">
    </error>
</iq>
Comment out dbus function call when dbus option commented out.

Otherwise we get a syntax error in Python 2.6.6.
Add -S --status option dummy.
Merge branch 'legacy' of https://github.com/tgalal/yowsup
Merge pull request #433 from ivanbaldo/legacy

Breaks API: adds timestamp and pushName parameters for media messages; adds caption parameter for image and video messages; fix error processing when user doesn't have profile picture.