Add option for BibTeX export to use journal abbrevations
Fixed few issues with book details recognition.

* Corrected detail description parsing to accommodate the new book
  description pages template.
* Corrected "edition number" recognition.
* Introduced change log and to do comment sections.
* Few minor issue fixes.
Merge pull request #437 from ramblehead/master

Fixed few issues with book details recognition in OZON.ru.js
Restore 'v' flag on OZON.ru
Fix Twitter translator
New translator for Tatar newspaper, with tests
New translator with tests for Tatarstani news aggregator
Update browserSupport
Reorganised to conform to latest requirements and restore some functionality. Fixes to work properly with NameSearch.
Disabling machine tags
Merge pull request #438 from wragge/master

Changes to National Archives of Australia translator
expand IEEE Xplore regex to include xpl conference issues
fix papers past regex again - just make the www optional.
fix engineering village - must have been broken completely. Still no tests possible
Fix PDF downloads in IEEE Xplore on some systems

- PDF downloads were breaking because translation was being performed on the wrong iframe on some systems (mine, at least)
- processDocuments() was called on a page containing a PDF in an iframe, which produced a download dialog if no PDF viewer was installed
further expand IEEExplore regex for tocresults
EV - this should be right now.
Merge pull request #440 from adam3smith/EV

fix engineering village - must have been broken completely. Still no tests possible
translate single search results
Merge pull request #443 from adam3smith/voyager7

translate single search results