moved src/testing -> src/testing/java
moved source folders: src/java -> src/main/java, src/test -> src/main/test
moved dependency to hamcrest lib to proper task in build.xml
fixed comments, task names, property names in build.xml
reordered tasks in build.xml
moved tests for .testing.** classes from src/main/test -> src/testing/test
extracted separate source dir for builtin functions