MULE-7277 Use ParserConfiguration for MVEL configuration and not ParserContext
MULE-7277 Reintroduce functional test case that fails with ASM optimizer as it reproduces a user bug and is not reproduced with any other test case.
MULE-7277 Avoid setting DefaultOptimizer in runtime
MULE-7277 Don't throw UnresolveablePropertyException, rathe return null
MULE-7277 Use MVEL snapshot with performance optimization
MULE-7277 Correctly implement insertFactory so it can be used by extensions of MVELExpressionLanguage
Remove system outs
Remove printStackTrace in test case
Merge pull request #337 from mulesoft/mel-performance

Mel performance