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/block/AEBaseBlock.java

@@ -156,11 +156,18 @@ public class AEBaseBlock extends BlockContainer implements IAEFeature
 
 		try
 		{
-			return this.renderInfo = new BlockRenderInfo( this.getRenderer().newInstance() );
+			final BaseBlockRender renderer = this.getRenderer().newInstance();
+			this.renderInfo = new BlockRenderInfo( renderer );
+
+			return this.renderInfo;
 		}
-		catch( Throwable t )
+		catch ( InstantiationException e )
 		{
-			throw new RuntimeException( t );
+			throw new IllegalStateException( "Failed to create a new instance of an illegal class " + this.getRenderer(), e );
+		}
+		catch( IllegalAccessException e )
+		{
+			throw new IllegalStateException( "Failed to create a new instance of " + this.getRenderer() + " because of permissions.", e );
 		}
 	}
 
@@ -797,13 +804,11 @@ public class AEBaseBlock extends BlockContainer implements IAEFeature
 			}
 			catch( InstantiationException e )
 			{
-				e.printStackTrace();
-				throw new RuntimeException( e );
+				throw new IllegalStateException( "Failed to create a new instance of an illegal class " + this.tileEntityType , e );
 			}
 			catch( IllegalAccessException e )
 			{
-				e.printStackTrace();
-				throw new RuntimeException( e );
+				throw new IllegalStateException( "Failed to create a new instance of " + this.tileEntityType + ", because lack of permissions", e );
 			}
 		}