ticket:201 fix height for filter box
ticket:203 save last query to cookie
Merge branch 't203_filters_should_not_be_reset_by_going_to_the_cart'
ticket:201 merged master, fixed conflicts
Merge branch 't201_clipped_text_in_filter_box'
ticket:203 settings/variables.py added to index
ticket:203 specify COOKIE_MAX_AGE manualy instead of using total_seconds