resolved task 3.6
Merge https://github.com/sidorovis/cpp_craft_1013
solved 4.4
added in 3_5 std::ios_base::binary|std::ios_base::out|std::ios_base::trunc
added in 3_4 std::ios_base::binary|std::ios_base::out|std::ios_base::trunc
Merge https://github.com/sidorovis/cpp_craft_1013
task 4_5
Merge branch 'master' of https://github.com/russov/cpp_craft_1013
Merge https://github.com/sidorovis/cpp_craft_1013
corrected cmake for boost/thread
Merge pull request #151 from russov/master

Added task 4 from russov