[#103] Added no_spec_with_records to config files.
[#103] Correctly handle bounded_fun type nodes.
[#103] Fixed nested expressions.
[#103] Added test case.
[#103] Add new rule to config files.
[#103] Moved functions around.
Merge pull request #109 from inaka/jfacorro.103.check.old.configuration.format

[Closes #103] Check old Elvis configuration format