Improved exceptions

Many exceptions got an improvement due to changed class or description or details it is providing.
Is not complete, needs to be done in patches in the regions, where it is needed, since some are just
swallowed.

Removed total usage of pure RuntimeExceptions to 0.

src/main/java/appeng/core/Registration.java

@@ -189,7 +189,7 @@ public final class Registration
 			{
 				config.storageBiomeID = Platform.findEmpty( BiomeGenBase.getBiomeGenArray() );
 				if( config.storageBiomeID == -1 )
-					throw new RuntimeException( "Biome Array is full, please free up some Biome ID's or disable spatial." );
+					throw new IllegalStateException( "Biome Array is full, please free up some Biome ID's or disable spatial." );
 
 				this.storageBiome = new BiomeGenStorage( config.storageBiomeID );
 				config.save();