fix publishing annotation processors
Copy Goro listeners before iterating. Closes #36.
make BoundGoro testable via Robolectric
fail fast on emulator wait error
better errors handling
update readme, add changelog
Merge pull request #40 from stanfy/roman/better-errors

Better errors handling.
async library redesign
move to separate package; add rx adapters
cancellation methods
adapt compile errors to new operations conception