define decimal precision in poll option cost

git-svn-id: http://svn.procergs.reders/vpr/branches/2.0@569 d2da55db-5866-43f3-bc33-3da1c376b5d1
fix poll option form type

git-svn-id: http://svn.procergs.reders/vpr/branches/2.0@570 d2da55db-5866-43f3-bc33-3da1c376b5d1
fix poll viewByCity front

git-svn-id: http://svn.procergs.reders/vpr/branches/2.0@571 d2da55db-5866-43f3-bc33-3da1c376b5d1
removing inner-content div

git-svn-id: http://svn.procergs.reders/vpr/branches/2.0@572 d2da55db-5866-43f3-bc33-3da1c376b5d1
Added indexes to Votes and added memcached support