BibFormat: ostixml improvements
BibFormat: ostixml avoid duplicate extension in url
BibFormat: fix author initials regexp for unicode
Merge pull request #22 from tsgit/latex-formats

Latex formats
webhelp: remove outdated text

* Removes text relating to the < and > operators acting as >= <=

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
BibFormat: updates the escaping policy

* Does not escape the title and abstract fields.

Signed-off by: Georgios Papoutsakis<georgios.papoutsakis@cern.ch>