fix error when language is not set
update copyright year
use https for gravatar
BUGFIX: check for 2nd 10 of hearts in wedding and poverty games
updated copyright to 2014
CLEANUP: GT,gametype,mygametype variable, make it translatable, some code cleanup
mysql optimization: don't quote integers as strings in WHERE
BUGFIX: fixed previous commit about sending mail in utf-8
TRANSLATION: marked more strings for translation
BUGFIX: send emails in utf-8
BUGFIX: use english language as default in set_language before the previous language was kept which could have been e.g. German, even if the person didn't choose German.
BUGIFX: added some set_language functions, fixed some strings for translation, fixed typo
BUGFIX: fixed wrong uid value in mymail function used the array instead of a value in the array
TRANSLATION: marked more messages for translation
TRANSLATION: updated setup for translation: use utf-8; updated pot file
updated copyright for 2013
set languages can also be used by UID now; make mymail langauge sensitive mymail used to use the language of the person triggering the email.
improved language detection using browser information; set the language directly in more places previously one had to reload to get the language correct, now it should be correct right away. We also read out the browser request for a language now.
updated to better password hash: use crypt instead of md5 the upgrade will be done automatically when a user logs in, password recovery is still based on md5, but that should be OK, since it's a random generated password anyway
another few "->'