Fixes:
1. Fixed error where rm_ten variable wasn't defined.
2. Fixed green robot collision mask
3. Fixed pause menu not showing on screen in smaller rooms.
Updates:
1. Some level tiles were recolored/made transparent for background visibility.
2. Backgrounds in Level 5/6 boss were adjusted.
3. Added side rooms to level 5 and 6
4. Added Armor to the game. When armor is picked up, it will show an armored healthbar.