Reactivate core tests and combineLatest#2

Merged

benjchristensen merged 3 commits intobenjchristensen:static-corefrom

jmhofer:reactivate-core-tests

Aug 28, 2013

Commits on Aug 28, 2013

re-added combineLatest methods that got lost due to too optimistic super/extends generics
jmhofer
committed
Reactivated the rxjava-core tests
jmhofer
committed
repaired rxjava-swing to work with new scheduler and observable api
jmhofer
committed