WINDUP-222: Initial prototype of XML syntax.
WINDUP-222: Add lost commit
WINDUP-222: Fixes after 1st rebase
WINDUP-222: Fix test failures after merge.
WINDUP-222: Ignore the test output files.
WINDUP-222: Remove the old xml folder
WINDUP-222: Add variable name till the WINDUP-296 is resolved.
Fix logging of loaded Model types, and loaded WindupRuleProvider impls