Merge pull request #205 from adam3smith/ovid

Ovid translator - supplied by Ovid Technologies. I cleaned it  up a litt...
Merge pull request #204 from adam3smith/JMLT

fixes JMLR for en-dash instead of --, remove ns, add multiple callback
Allow translators to specify keyword delimiter
Can't export primitive variables.
Rewritten to support most journals hosted by Scitation.
Merge pull request #203 from adam3smith/test-fixes

A lot of small fixes and translator updates: Project Muse - fix authors;...
Use one of the few remaining HighWire sites for HighWire tests, and rename Highwire 2.0->HighWire 2.0
Use strings to handle regex'es to avoid any bugs when passing regex'es directly. Updated tests.
Turn any tags that are upper-case into lower-case. Updated tests.
Merge pull request #207 from aurimasv/bibtex

BibTeX: Allow translators to specify keyword delimiter
Merge pull request #208 from aurimasv/scitation

Scitation
fix NYTs in Proquest
add A Contra Corrient and AJOL, together with Embedded Metadata fixed for tags;
Merge pull request #211 from adam3smith/proquest

fix NYTs in Proquest
fix && to || per Simon
run the 2 new translators through js-beautify
Merge pull request #210 from adam3smith/embed-translators

add A Contra Corrient and AJOL, together with Embedded Metadata fixed fo...
Handle highwire metadata fields with prefixes (e.g. bepress_citation_title).
Use "description" if abstract not available.
Added more item type detection code
Added more field mappings
Updated and added tests
Archeion - rewrite after site redesign