make iOS 10.3 and Xcode 8.3 compatible (#345)

recompile SvgGh library with new code singature needed by iOS 10.3

vtm-ios/natives/SVGgh.framework/Headers/GHControlFactory.h

@@ -195,7 +195,7 @@ typedef NSUInteger ColorScheme;
 +(CGPathRef) newRoundRectPathForRect:(CGRect)aRect withRadius:(CGFloat) radius CF_RETURNS_RETAINED;
 
 /*! @brief utility routine to find the location of an SVG document relative to a provided bundle
- * @param an optional bundle containing the artwork
+ * @param mayBeNil optional bundle containing the artwork
  * @param theArtworkPath subpath within a bundle does not include the .svg extension which is assumed.
  */
 +(nullable NSURL*) locateArtworkForBundle:(nullable NSBundle*)mayBeNil atSubpath:(NSString*)theArtworkPath;
@@ -207,8 +207,7 @@ typedef NSUInteger ColorScheme;
 +(nullable NSURL*) locateArtworkForObject:(id<NSObject>)anObject atSubpath:(NSString*)theArtworkPath; // for compatibility
 
 /*! @brief utility routine to locate a URL inside your project when using Interface Builder's IB_DESIGNABLE service
- * @param anObject for instance a GHButton
- * @param theArtworkPath subpath within a bundle does not include the .svg extension which is assumed.
+ * @param artworkSubPath subpath within a bundle does not include the .svg extension which is assumed.
  */
 +(nullable NSURL*) findInterfaceBuilderArtwork:(NSString*)artworkSubPath;
 

vtm-ios/natives/SVGgh.framework/Headers/SVGContext.h

@@ -75,6 +75,17 @@ NS_ASSUME_NONNULL_BEGIN
 /*! @brief the value for 'currentColor' at this moment in the process of visiting a document
  */
 -(nullable UIColor*) currentColor;
+
+/*! @brief the value for 'opacity' at this moment in the process of visiting a document
+ */
+-(CGFloat) opacity;
+
+/*! @brief opacity is dependent (via inheritence) as you descend an SVG Document. This opacity is the place to keep track of updated opacity.
+ * @param the current opacity (defaults to 1.0)
+ */
+-(void) setOpacity:(CGFloat)opacity;
+
+
 /*! @brief the active language expected by the user like 'en' or 'sp' or 'zh'
  */
 -(nullable NSString*) isoLanguage;
@@ -89,7 +100,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 /*! @brief  Look through the CSS attributes for a given styling attribute.
  * @param attributeName the name of the attribute like 'line-width'
- * @param className the name of the CSS class like 'background' or some other arbitrary item
+ * @param listOfClasses the name of the CSS class like 'background' or some other arbitrary item
  * @param entityName the name of the entity like 'rect' or 'polyline'
  */
 -(nullable NSString*) attributeNamed:(NSString*)attributeName classes:(nullable NSArray<NSString*>*)listOfClasses entityName:(nullable NSString*)entityName;

vtm-ios/natives/SVGgh.framework/Headers/SVGDocumentView.h

@@ -68,8 +68,8 @@ IB_DESIGNABLE // Cocapods users should add the use_frameworks! directive if this
 @interface SVGDocumentView : UIView
 
 /*! @property artworkPath
-* @brief the text contents of an SVG document can be accessed via 'User Defined RuntimeAttributes'
-*/
+ * @brief the text contents of an SVG document can be accessed via 'User Defined RuntimeAttributes'. If you are using a .svgz file, include the file extension in the path.
+ */
 @property(nonatomic, strong) IBInspectable NSString* __nullable        artworkPath;
 
 /*! @property defaultColor

vtm-ios/natives/SVGgh.framework/Headers/SVGParser.h

@@ -42,12 +42,18 @@ NS_ASSUME_NONNULL_BEGIN
 @property(strong, nonatomic, readonly) NSURL* __nullable 	svgURL;
 
 /*! @brief init method which takes a URL reference to a .svg file
-* @param url a reference to a standard .svg file
+* @param url a reference to a standard .svg or .svgz file
 */
 -(instancetype)initWithContentsOfURL:(NSURL *)url;
 
+/*! @brief init method which takes a input stream from a SVG source
+ * @param inputStream a reference to a standard .svg or .svgz file
+ */
+-(instancetype)initWithInputStream:(NSInputStream *)inputStream;
+
 /*! @brief init method which the name of a resource based SVG
- * @param a string giving the name of the resource
+ * @param resourceName string giving the name of the resource. This may include a file extension, if ommitted `svg` will be used.
+ * @param bundle optional bundle to look in
  * @commment might be from XCAsset data
  */
 -(nullable  instancetype) initWithResourceName:(NSString*)resourceName inBundle:(nullable NSBundle*)bundle;
@@ -66,7 +72,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 /*! @brief not allowing a standard init method
  */
--(nullable instancetype) init __attribute__((unavailable("init not available")));
+-(instancetype) init __attribute__((unavailable("init not available")));
 
 /*! @brief method to create a URL relative to the URL used to create this object (assuming use of a URL to create it)
 * @param subPath relative path to this parser's svgURL