make Matrix(x) error messages correct and consistent

src/math/Matrix3.js

@@ -184,7 +184,7 @@ Object.assign( Matrix3.prototype, {
 
 		if ( matrix && matrix.isMatrix4 ) {
 
-			console.error( "THREE.Matrix3.getInverse no longer takes a Matrix4 argument." );
+			console.error( "THREE.Matrix3: .getInverse no longer takes a Matrix4 argument." );
 
 		}
 
@@ -203,7 +203,7 @@ Object.assign( Matrix3.prototype, {
 
 		if ( det === 0 ) {
 
-			var msg = "THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0";
+			var msg = "THREE.Matrix3: .getInverse(): can't invert matrix, determinant is 0";
 
 			if ( throwOnDegenerate === true ) {
 

src/math/Matrix4.js

@@ -154,7 +154,7 @@ Object.assign( Matrix4.prototype, {
 
 		if ( ( euler && euler.isEuler ) === false ) {
 
-			console.error( 'THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );
+			console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );
 
 		}
 
@@ -555,7 +555,7 @@ Object.assign( Matrix4.prototype, {
 
 		if ( det === 0 ) {
 
-			var msg = "THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0";
+			var msg = "THREE.Matrix4: .getInverse(): can't invert matrix, determinant is 0";
 
 			if ( throwOnDegenerate === true ) {