stubbed EntityFactory.
reference impl, untested.
#190: start testing the reference impl.
#190: removed unused class.
creating entities,
#190: elaborated test.
#190: minor fix in ref impl.
#190: fluent api fix.
#190: compilation fix
#190: stubbinh the annotation processor - finds types.
 #190: finding all factories + metadata.
#190: freemarker ugliness generates code, need to hook into the filer.
 #190: generating basic entity factories.
Fixes #190 - still needs some more love though.
Merge branch 'archetypes-with-params'