Fix path parser spec conformance

https://www.w3.org/TR/SVG/paths.html#PathDataMovetoCommands
The "moveto" commands (M or m) must establish a new initial point
 and a new current point.

android/src/main/java/com/horcrux/svg/PropHelper.java

@@ -399,8 +399,8 @@ class PropHelper {
         }
 
         private void moveTo(float x, float y) {
-            mPivotX = mPenX = x;
-            mPivotY = mPenY = y;
+            mPenDownX = mPivotX = mPenX = x;
+            mPenDownY = mPivotY = mPenY = y;
             mPath.moveTo(x * mScale, y * mScale);
 
             mLastStartPoint = getPointMap(x ,y);

ios/Utils/RNSVGPathParser.m

@@ -144,8 +144,8 @@
 
 - (void)moveTo:(CGMutablePathRef)path x:(float)x y:(float)y
 {
-    _pivotX = _penX = x;
-    _pivotY = _penY = y;
+    _penDownX = _pivotX = _penX = x;
+    _penDownY = _pivotY = _penY = y;
     CGPathMoveToPoint(path, nil, x, y);
 }