Update to 1.5.3 from http://trac.assembla.com/fluxbborgru/browser/trunk with some translation fixes
Merge branch 'master' of github.com:serzhenko/langs

Conflicts:
	Russian/admin_bans.php
	Russian/admin_categories.php
	Russian/admin_censoring.php
	Russian/admin_common.php
	Russian/admin_groups.php
	Russian/admin_index.php
	Russian/admin_maintenance.php
	Russian/admin_options.php
	Russian/admin_reports.php
	Russian/admin_users.php
	Russian/common.php
	Russian/install.php
	Russian/login.php
	Russian/mail_templates/activate_email.tpl
	Russian/mail_templates/activate_password.tpl
	Russian/mail_templates/form_email.tpl
	Russian/mail_templates/new_report.tpl
	Russian/mail_templates/welcome.tpl
	Russian/misc.php
	Russian/prof_reg.php
	Russian/profile.php
	Russian/register.php
	Russian/search.php
	Russian/topic.php
	Russian/update.php