use new composite JnarioBatchCompiler

- speed up for maven builds as the compilation is performed in a single
  run
- Fixes the problem of suites not resolving specs
- Fixes #110
rename jnario lib for maven
resolve junit types from classpath
regenerate doc & spec
clean up
add new test resources
Use lang specific JvmModelGenerator in JnarioStandaloneCompiler
Add pending step to example