new mongo test data
re-enabled js client cache for pairing table
fancy use of x-http headers to transfer additional data
show own tipps somewhat colored. session storage is tricky, on logout we have to remove the stored values, because chrome keeps the data unless the tab is being closed explicitly
moved calculation of ranking from client to server; top 50 List calculation and add rank of user if outside top 50 plus show last place too
improvements on calculation and top50 list. Merge user standing from session into globally cached fixed list
make a separate module from the calculator