Updates for 2.11.

Not all the way there, but most of it.
Got the scalaxy.fx tests passing.
Dropped an obsolete test. Expanded annotation reach.

If we can believe the tests, only these two subprojects fail.

[error] (scalaxy-generic/test:test) sbt.TestsFailedException: Tests unsuccessful
[error] (scalaxy-privacy-plugin/test:test) sbt.TestsFailedException: Tests unsuccessful
Merge pull request #12 from paulp/211

Updates for scala 2.11.
Fx: added some basic tests
JSON: uncomment testError + updated expectations from new version of json4s
Loops: rehab 2.10 version with tests
Loops: limit loop optimizations through Steams to top-level expressions (so as to avoid

optimizing too much when compared to Loops for Scala 2.10.x)
Loops: rehab 2.10 benchmarks
Loops: rehab normal RangeLoopsTest
Releases: Streams 0.2.1 (Scala 2.11.x), Loop 0.1.1 (2.10.x and 2.11.x) (see issue #11)
Streams: back to snapshot versioning
Streams compiler plugin: stop the untypecheck / typecheck madness + recover from exceptions
Streams: added toList, toArray ops.
Streams: fixed non-recursive flatMaps
Streams: loop interruption mechanism + prepare FindOp
Streams: strip Option.option2Iterable inside flatMap
Streams: optimize Option.get, .getOrElse
Streams: rename OptionOps
Streams: fix loop interruptors (which fixes find)