Add options meta:true and orientation:true to the documentation.

Author: blueimp

README.md

@@ -194,11 +194,15 @@ Requires `canvas: true`.
 * **crop**: Crops the image to the maxWidth/maxHeight constraints if set to
 `true`.  
 Enabling the `crop` option also enables the `canvas` option.
-* **orientation**: Transform the canvas according to the
-specified Exif orientation (number in range 1 to 8). See 
-[loadImage.parseMetaData](https://github.com/blueimp/JavaScript-Load-Image#meta-data-parsing)
-for parsing EXIF data. Setting the `orientation` also enables the `canvas` 
-option.
+* **orientation**: Transform the canvas according to the specified Exif
+orientation, which can be an `integer` in the range of `1` to `8` or the boolean
+value `true`.  
+When set to `true`, it will set the orientation value based on the EXIF data of
+the image, which will be parsed automatically if the exif library is available.  
+Setting the `orientation` also enables the `canvas` option.  
+Setting `orientation` to `true` alsoe enables the `meta` option.
+* **meta**: Automatically parses the image meta data if set to `true`.  
+The meta data is passed to the callback as second argument.
 * **canvas**: Returns the image as
 [canvas](https://developer.mozilla.org/en/HTML/Canvas) element if set to `true`.
 * **crossOrigin**: Sets the crossOrigin property on the img element for loading
@@ -268,8 +272,8 @@ Blob objects of resized images can be created via
 [canvas.toBlob()](https://github.com/blueimp/JavaScript-Canvas-to-Blob).
 
 ### Exif parser
-If you include the Load Image Exif Parser extension, the argument passed to the 
-callback for **parseMetaData** will contain the additional property **exif** if 
+If you include the Load Image Exif Parser extension, the argument passed to the
+callback for **parseMetaData** will contain the additional property **exif** if
 Exif data could be found in the given image.  
 The **exif** object stores the parsed Exif tags:
 
@@ -315,4 +319,3 @@ The JavaScript Load Image script is released under the
 Achim Stöhr.
 * Exif tags mapping based on Jacob Seidelin's
 [exif-js](https://github.com/jseidelin/exif-js).
-