* display help for commands from bnhelp.conf instead of hardcoded strings https://github.com/HarpyWar/pvpgn/issues/5
* better view for help output, commands are highlited, tabs replaces with spaces http://i.imgur.com/vrj9QG1.png
* add aliases /mute /unmute /lock /unlock = /muteacct /unmuteacct /lockacct /unlockacct)
* command.cpp code refactoring and fixes (including /icon https://github.com/HarpyWar/pvpgn/issues/9)