0.2.18 - Era Reimplementation (Geometrics Alpha) — Sprocket Steam update #139345

Hi all, This patch reimplements eras to the 0.2 alpha branch. Changes Reimplemented eras. WWI now has a fixed suspension arm length of 50mm. Parts can now have an invention date, limiting them to certain time periods. HVSS can no longer be used in WWI. Scenarios (when they're back) now let you switch the editor to any of the time periods before the scenario's time period. Added 2 decimal places to suspension damping %. Modding Editor limits and many default blueprint values are now loaded from external files under "Sprocket_Data\Streaming Assets\Technology\...". These files, loaded in on launch, will override properties of other files of the same type with an earlier date. This is done for all technologies up until the current date in the editor. Era boundaries are defined in files under "Sprocket_Data\Streaming Ass...