adding support for creation of english citations

also there was a bug related to "Content-Length" response_header which is
fixed
adding support for creation of english citations

+ added url spoofing for Adinebook (although it turned out it was not
needed really)
config file

currently only contains one parameter: lang
used for choosing application language
language config support
was renamed to wikicite_fa
was renamed to wikiref_fa
language config support
was renamed to html_fa
english html messages (needs cleanup)
persian html messages (previously html.py)
changed error messages to english

these messages should be moved to html_en.py for better translation switch
language config support
language config support
new test suite for english mode
test suite for persian mode (previously test.py)
was renamed to test_fa.py
citation generator for english wikipedia
citation generator for persian wikipedia
inline reference generator for persian wikipedia
inline reference generator for persian wikipedia