PVS-Studio fix
  - V813 Decreased performance. The 'list' argument should probably be rendered as a constant reference. main.cxx 19
  - V808 'tmp' object of 'basic_string' type was created but was not utilized. main.cxx 51

Add .gitignore /msvc10/log4cplus.opensdf
Merge pull request #5 from pavel-pimenov/master

PVS-Studio fix