[sugar] Develop's version control (bazaar) and sugar.presence and sugar.p2p

[Andrew Clunis]

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Just to be clear,  if in fact any activity authors are *not* mandated to
use sugar's communication API to do communication with others on the
mesh (ie., sockets are allowed after all because all XOs on a mesh can
expect to be addressable by one another via IP), then I can just use
bazaar's standard TCP-based protocol and just do the Presence glue
stuff.

This would be preferable because computers on the network not running
the OLPC software stack will still be able to read bazaar branches
published by XO machines.

(also less work for me to implement ;)

- --
Regards,
Andrew Clunis

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