AM-105 : the /conf/ directory exists in Tomcat but not in JBoss
AM-106: Add few tests and explanations to validate how ranges are working

Note : There are no scope allowing to include pre-versions (alpha,beta,milestones) in a range :( Thus [X.Y,) doesn't include any X.Y pre-releases. Either we need to manually list them or we start the range excluding the highest previous version.
Let's start 1.1.0 developments