* Get cryptoTest,coreTest projects working with scala-js
Get build working, now moving onto compile
Move jvm specific cryptoTest's into the .jvm sub project
Rework build definition names to be more concise
Fix missing cryptoTest refactor
Move logback-test.xml into jvm specific resource folder so it doesn't get ignored
Make coreTest a crossProject
Rework ci matrix to work with new project structure
Try to fix CI matrix
CI fix part 2
* Apply commonSettings to all cross projects
* Address part of roman's code review, make coreJS, make cryptoTest.dependOn(crypto)
* WIP to share with scala-js community
* Fix scalac compiler settings to be additive in CommonSettings.settings
* Remove BCryptoTest
* Refactor AsyncUtil to just use an execution context rather than an actor system
* Create testkit-core, start moving data structures over to testkit-core
* WIP, getting rid of the hard dependency on BitcoinSAsyncTest and akka
* Rework test traits to not be dependnent on akka, move BaseAsyncTest into testkitCore, add a test trait that just uses the default scala executionContext
* Get everything compiling
* Move logback-test.xml to testkit-core so it applies to coreTest,cryptoTest as well
* Cleanup rebase issues
* Fix Deps.scala
* Address ben's code review
* Segregate jvm settings and compiler settings
* Filter out -Xfatal-warning for scalajs for now since there is a ton of errors
* Move maintainer settings into CommonSettings.settings
