vertx support

[saturnism]

Provide support for vert.x so that the same paradigm/interfaces can work seamlessly in vert.x

[carchrae]

i hate reading issues like this - i was about to blindly use this in my vertx project!

what exactly does not work? i guess i can find out soon! :)

[saturnism]

:) it means that it hasn't been verified/implemented yet. pls let me know what you find and/or suggest what should be done. even better if you would consider contributing.

cheers!

[carchrae]

will do. i am unsure of which/any java promises implementation to use. i tried https://github.com/englishtown/when.java and also rolled my own last year; common interface with one implementation as a gwt wrapper on when.js and the other implementation in pure java (non-blocking only). i am yet to find the right balance on how much type safety to enforce. promises promises...