Fix invalid spacing style warnings.
Info -> info.
Usings order.
Fix capitalization.
Fix variable ordering.
Remove underscore prefix.
Fix public/static ordering.
Disable SA1509.
Rename static fields in SettingsLogic.
Add Mods.Common to make check.
Fix style nits in Mods.TS.
Add Mods.TS to make check.
Fix d2k spacing and ordering style nits.
Fix d2k naming style nits.
Add Mods.D2k to make check.
fetch ICSharpCode.SharpZipLib from nuget
fetch MaxMind.GeoIP2 from nuget
fetch SharpFont from nuget
fetch NUnit 2 from nuget
fetch SDL2 (native Windows DLL) from nuget