chore(tests): add Javadoc comments to all tests
refactor(BundleStartTests): rename tests so that maven will find them
chore(Activator): add generics to get rid of warnings
test/chore: BarDeploymentListener and BarTransformer

add test classes for BarDeploymentListener and BarTransformer
add hamcrest-all as dependency for better matchers
remove unused import from BarTransformer