add as_dynamic, remove incorrect coordination of subscriber
more work on coordination
add println utility
rename synchronize to publish_synchronize
cleanup alias'
add observe_on

still has at least one race condition
fix crazy subtle concurrency bug

returning an observer instead of a subscriber. caused a break in the
lifetime nesting that due to tests referencing stack vars caused weird
stack stomping.
connect coordinators to subscriber lifetime
fix deadlock, error and dispose
add some moves
test updates
Merge pull request #18 from kirkshoop/observe_on

adds observe_on and println