reverted changes meant to address #94 because they resulted in long lines
fixed #110 (first five characters of email address)
changed curl reference from tatoeba.fr to tatoeba.org
fixed remaining issues in #97
changed abbreviation of number
Merged models/sentences.php from server

Merged changes on models/sentences.php that were made on the server but
never commited to the SVN repo.
The changes seem to include mostly transliteration stuff.
Changed edit icon for #90
Fixed CSS for #90
#90 removed the "-" from the "edit" link