Show total payments accordingly to the parameter

Add a parameter to control if the user can see the total payments of the day
    -SHOW_TOTAL_PAYMENTS_ON_TILL
Also fixing a small typo on summary.html

Change-Id: I31bd4e4d23c8711288cd9b0c0471f95b001f4df3
Fixes: http://bugs.async.com.br/show_bug.cgi?id=5603