R7.Webmaster/Program.cs, R7.Webmaster/app.config,
R7.Webmaster/AppConfig.cs, R7.Webmaster/MainWindow.cs,
R7.Webmaster/webmaster.config, R7.Webmaster/gtk-gui/gui.stetic,
R7.Webmaster/WebmasterConfig.cs, R7.Webmaster/R7.Webmaster.csproj:
Rename app.config to webmaster.config
to make name more clear and avoid R7.Webmaster.exe.config creation 

R7.Webmaster.Core/R7.Webmaster.Core.csproj: Do not copy ConfigBase.cs
to output directory