made emailed questions work as space_name@site.com
fixed an issue in AskByEmailForm
another issue in the AskByEmailForm
allowed to add custom instructions to email
a bugfix
implemented reposting question to another site
small change to Thread.has_moderator method
added possibility to have custom ask question form
added extension for the customization of the ask form and edit question forms
added a signal and fixed an issue with the usage of custom ask form
changed counts on related tags of the main page