Blog post abount running tornado on STM

Created originally on Bitbucket by kostialopuhin (Konstantin Lopukhin)

Was already merged in Bitbucket before import, marked as merged by the import user

Hi! This is some initial version, what do you think? I have a more interesting benchmark, but at the moment it segfaults - https://bitbucket.org/pypy/pypy/issue/1917/pypy-stm-segfault

Also, I tried to port the changes to a more recent tornado revision, and discovered that it does not scale so nicely, and I did not understand the resone from conflict reports, will look once more.