Original Mod made by Buggi: Productivity Research for Everyone (FG)

Adjustments made:
- [NEW] Custom GUI to select the Productivity Researches so it does not clog up you Technology Tree
- Technology cost starts at 1.000 (Configurable)
- Tweaked Recipe Scanner to group alternative recipes for the same items in one Technology
- Option to set additional Science Packs for Early, Mid and Lategame Researches

Feel free to suggest new features that could be added