fixed creation of class model: only methods annotate with @Test are
considered
indent fix
Support for finding MethodNode child by name and parameters set
added google guava library to build path
added google guava library binary to lib folder
Test cases in MethodNode are stored as multimap. This allows easier
fetching them by names.
support for fetching ClassNode model from RootNode by qualified name.
simple runner for equivalence class model
test for EcFeed runner