Add locking to relocator controllers and fix rendering.
Merge branch 'master' into secure-relocation

Conflicts:
	src/main/java/com/dynious/refinedrelocation/lib/Strings.java
	src/main/resources/assets/refinedrelocation/lang/en_US.lang
Merge pull request #195 from Micky2506/secure-relocation

Add locking to player relocator controllers & fix rendering if multiple blocks in same space for relocator controller