Simplifying the test code a bit.
Converts values of type Any to JValue if there is a FieldSerializer available.
Merge branch '2.3.x_2.10' of github.com:scalatra/scalatra into 2.3.x_2.10

Conflicts:
	json/src/main/scala/org/scalatra/json/JValueResult.scala
Made basic scalatra-atmosphere test working.
Reverted json test for now.
Merge pull request #428 from dozed/atmosphere-test

Made atmosphere test working again.