[Telepathy] merge: stream-engine

[Merge Monkey]

Merge to:

  stream-engine

From:

  /home/robot101/public_html/stream-engine-misc

Changes:

  Robert McQueen <robert.mcqueen at collabora.co.uk>
    add missing argument to property changed callback

  Robert McQueen <robert.mcqueen at collabora.co.uk>
    hook to the property-changed signal on the TpPropsIface and keep the TpStreamEngineProperties structure up to date, so that if eg NAT traversal mechanism changes between the channel being established and the stream being added, the correct value is used. refactor property getting into some cleaner functions.

  Robert McQueen <robert.mcqueen at collabora.co.uk>
    bump farsight version to depend on the new "transmitter-object" property on streams