Upgrade dependencies, including project.clj to lein2 format
Rename jreg.core -> jreg
Eliminate reflection & type-hint fn returns
Add execute
Fully qualify fn returns

which I think is necessary to avoid reflection in external callers.
Add publish
Add scheduler fns
Add dispose
Formatting
Add ->filter
Support filtering subscribe
Cover boolean coercion in ->filter
Add ->last-subscriber
Reorganize into Core and Channels sections.

Also add fns that will spit reflection warnings if we mess up a type hint.
Bump to 0.1.0
Merge pull request #1 from duelinmarkers/new-stuff

New stuff