Build 124216

**Build 124216 release notes:**
* Schematics: v1 (Note: This system is still in active development)
- Select one or more buildings and press Ctrl+C to create a Schematic
- Place the last created Schematic with Ctrl+V
- Schematics currently support all stationary units except belts
- Save/Load and belt support coming soon™

* Resources
- Iron extracts at a rate of 4 per second, down from 8 per second
- Steel now requires 2 Iron, down from 3
- Resources can now only be extracted by one extractor at a time

* Early Access Scenarios
- “Artillery Assault” removed
- Learn: Artillery added to Early Access Scenarios menu (mission is still a work in progress)
- Adjustments to Enemy Assault mission resources and difficulty

* User Interface
- Updated Help Menu layout and content
- Updated Power layout in Unit Info Panel
- Updated tutorial page scroll box clipping
- Fixed some bugs that would prevent the power info widget from displaying info for some units.
- Fixed issue where escape menu buttons needed to be pressed multiple times to return to main menu.

* Other
- Fixed issue with belts not crossing over each other in scenarios
- Fixed artillery shells continuing after hitting certain targets