Included the lava-dispatcher docs into the lava-server
documentation. Fixes LAVA-774.
Bump dependency on lava-dispatcher to the new version
to avoid file collisions.
update some locations for git, not bazaar
Rebased to include updates in dispatcher docs in tip.

Change-Id: I26ab2a06b7cc49f51d28ef7f257d7e7939650a7c