Merge branch 'dev' into 1.15

# Conflicts:
#	pom.xml
#	src/main/java/net/glowstone/GlowWorld.java
#	src/main/java/net/glowstone/block/blocktype/BlockBed.java
#	src/main/java/net/glowstone/block/blocktype/BlockType.java
#	src/main/java/net/glowstone/entity/GlowAnimal.java
#	src/main/java/net/glowstone/util/CompatibilityBundle.java