add a ACEReaderWithTrueCaseFixer class

[Slash0BZ]

update usages upon this new class
Also a bug fix that cases opposite direction relations in RelationAnnotator.
Also added two new testing functions in MD and RE.

[Slash0BZ]

closes #580

[danyaljj]

I was thinking that it might be a good idea if we move ACEReaderWithTrueCaseFixer.java (which is in corpus readers) to external/stanford_3.3.1 (hence we don't have to add stanford as a dependency to corpus-readers). What do you think? (@mssammon feel free to comment on this)

[Slash0BZ]

Ah that way ACEReaderWithTrueCaseFixer will be a package in stanford_3.3.1 so it can't extend ACEReader anymore right?

[mssammon]

the new reader can be in the external/ package, I agree... maybe point to it in the corpusreader documentation, though. I don't see why the reader can't extend ACEReader; package name/path doesn't have to be identical.

[danyaljj]

So rather than copus-readers being dependant on stanford, stanford would be dependant on stanford.

[Slash0BZ]

Just making sure, are we moving it to edu.illinois.cs.cogcomp.pipeline.common which holds all the external sources?

This way, external/stanford_3.3.1 will depends on corpusreader and it's fine right? @danyaljj

[danyaljj]

No. Inside stanford_3.3.1:
https://github.com/CogComp/cogcomp-nlp/tree/master/external/stanford_3.3.1

[Slash0BZ]

I understand, but all files in stanford_3.3.1 are in package edu.illinois.cs.cogcomp.pipeline.common.

[danyaljj]

Ah you can keep the package naming compatible with corpus reader (which is what you currently have).

[danyaljj]

3.1.36

[danyaljj]

Minor comment on versioning: merge after fixing it (and CI turning green).