HH-44167 remove init.d script
Merge remote-tracking branch 'origin/HH-44167' into EXP-12378
release 2.21.2 [an.sumin@hh.ru]
HH-44646 add MicroHandler implementation
HH-44646 use namedtuple as _Request base
HH-44646 fix import frontik in tests
Merge remote-tracking branch 'origin/HH-44646' into EXP-12384
release 2.21.4 [an.sumin@hh.ru]
HH-41231 tornado-3 support
HH-41231 add travis config