modified _oasis and _tags to support new samples. Added a flag to make them optional as well
common Protocol module containing definition of jobs and their results plus a few constants
added some constants to protocol to keep configuration in 1 place
added foreman that creates and distributes jobs
added worker that picks up jobs and completes them
remove auto generated parts of _tags
Merge pull request #2 from rgrinberg/master

Another zmq example
Update oasis format version; Bump library version number

These changes were in the release branch but should really be here as well.
Add to_socket, send_all, recv_all; clean up some comments
Remove redundant code from last commit
Merge branch 'master' into release

Conflicts:
	_oasis
Prepare for 1.0-beta4

Added send_all, recv_all, to_socket