Added allMethodTestsInOneFile.scala to generate test files to compare ScalaTest to JUnit and TestNG.
Removed unused files at top level.
Move files under devoxx folder to top level.
Removed unused project/build.scala.
Added assertTestsInOneFile.scala that generate tests that use different assertion approach (triple equal, import ShouldMatchers and mixin ShouldMatchers).
Changed all other scripts to use the new deleteDir, and removed compilation warning due to untype e in catch clause in all scripts.
Merge pull request #1 from cheeseng/master

New Scripts + Refactor + Bug Fixes