-Fixed Artillery barrel reliability being 1939 instead of 1936

Pneumatic tires from 1939 -> 1936

BETA 3 changelog: - 11/12/2020
-Updated code for 1.10.2 patch compatibility
-Fixed Pneumatic Tires requiring the year 1942 instead of 1936
-Fixed tech requirements in the artillery tree
-Fixed Internationalism Focus not being bypassed by Budget Reform
-Fixed issues with the Czech starting OOB
-Other small bug fixes and localization improvements.

BETA 2 changelog: - 11/11/2020
-Fixed an issue where the artillery tech tree would be misaligned for players with small screen resolutions
-Fixed a potential issue with Self-Propelled Medium AA
-Fixed localization errors with Polish Infantry Equipment

Beta test for the mega update begins.

-New Polish technology icons
---improved tank tree:
---Many new tank variants (some gaps will be filled in future updates)
---New icons for artillery tractor technologies based on the C7P and PZInż 342
---New Polish infantry and support equipment icons:
---New Polish rockets, Poland can into space!
---Added back in the vanilla polish strategic bomber icons
---New plane icons for the Jastrab II, basic 1933 TAC bomber, and Nav bomber III
---Improved Kazimierz Sosnkowski portrait