fixed maven plugin dependency problem
Remove singleton option of the METADATA, add missing packages
removed the popup that asks what ksession should be used from test scenarios
Fixing grammars after refactory from a couple months ago. Removing support to # single line comments. Fixing parsing of inline nested expressions.
Upgraded maven-plugin-api from 2.0 to 3.0.3
Upgrade maven-plugin-testing-harness from 2.0 to 2.1
test case for Cannot find a defualt KieSession when using newByteArrayResource