added annotation messages and cleaned up package maintainer lists.
adding rocon_annotation srvs.
Merge pull request #66 from robotics-in-concert/annotations

Annotation messages and cleaned up package maintainer lists.
Merge branch 'hydro-devel' of https://github.com/robotics-in-concert/rocon_msgs into hydro-devel
add a dummy msg to service_pair_msgs.
split id/data service pair messages and add a spec msg (like actionlib).
share specification being depracated now the demo is passed.
This reverts commit 8f0c5347374ed9993177bbfed5bfc389474534ad.
platform tuple overhaul.
EnableConcertService.srv -> EnableService.srv
tuple removal and new strings to make way for rocon uri's
switch uri wildcard to 'any'
revert wildcard from any back to *. Using any looked very awkward.
updates for the new rocon uri.
add rocon version to remocon info.
concert version in concert info.
scheduler_msgs: merge proposed CurrentStatus and KnownResources messages
scheduler_msgs: rename platform_info field to uri
scheduler_msgs: update Resource message comments
adjustments to drop heir-part of uri if no concert name.