added align left center right classes until we upgrade to the new bootstrap

git-svn-id: file:///var/www/svn/anahita/anahita/branches/search@17144 a933e228-e664-4d3f-8241-49479697c698
fixed add comment authorization

git-svn-id: file:///var/www/svn/anahita/anahita/branches/search@17145 a933e228-e664-4d3f-8241-49479697c698