add options.generate_tests to distinguish between generating classes/test classes
add tests
add generate test code for generated code command line option, defaults to false
move molgenis generator execution configuration to parent pom, enable test code generation, enable rest api generation (except for omicsconnect, see issue #79)
update documentation
remove unused imports
remove generate_tests property
remove MolgenisResourceCopyGen, remove copy_resources property
remove MolgenisResourceCopyGen, remove copy_resources property
remove non-existing property generate_data
remove unreferenced property generate_imdb
remove non-existing property generate_webservices
remove generate_cpp from molgenis.properties (defaults to false)
merge entity importer/exporter properties in property generate_entityio
update duplicate output_* properties
small fixes
Merge pull request #78 from dennishendriksen/master

Use options.generate_tests in Generators + various changes