solutions/max_kaskevich: added task 3.
solutions/max_kaskevich/3/sources/3_4/bad_channel.cpp: fixed regex.
solutions/max_kaskevich/3: small refactoing.
solutions/max_kaskevich/3/sources/3_6/split_datafeed.cpp: small fixes.
solutions/max_kaskevich/3/sources/3_5/paralel_queue_emu.cpp: solve rewrited.
solutions/max_kaskevich/3: fixed pull request issues.

std::fstream constructor using;
magic number 12 in 3_5.
end write by non const arg in 3_6.
solutions/max_kaskevich/3/sources/3_5: additional fixed of magic number 12.
solutions/max_kaskevich/3/sources/3_6/split_datafeed.cpp: fixed output.
Merge pull request #138 from Tramort/task3

hometask3 from tramort