Created separate changelog file

Author: Redth

CHANGES.md

@@ -0,0 +1,84 @@
+# Changelog
+
+ - v1.4.7.1
+        - iOS: Updated Unified support
+
+ - v1.4.7
+        - Updated ZXing.Net
+        - iOS: Better destruction of default overlay to prevent memory leak
+        - WP8: Fixed issue with HW shutter pressed after camera no longer available
+        - Android: Fixed `Scan` method
+
+ - v1.4.6
+        - Android: Updated Android Support Library v4 component used (20.0.0.3)
+        - Updated ZXing.Net (SVN commit 88850)
+        - Android: now takes `UseFrontCameraIfAvailable` into account ([#120](https://github.com/Redth/ZXing.Net.Mobile/issues/120))
+        - Added camera resolution selector to MobileBarcodeScanningOptions
+        - WP8: Fixed a null reference exception ([#104](https://github.com/Redth/ZXing.Net.Mobile/issues/104))
+
+ - v1.4.5
+        - Android: Updated Android Support Library v4 component used (20.0.0)
+        - Updated ZXing.Net
+        - WP8: Fixed an issue with an exception on subsequent scans ([#102](https://github.com/Redth/ZXing.Net.Mobile/pull/102))
+        - Android: Updated Android Support Library v4 component used (4.19.0.1)
+
+ - v1.4.4
+        - iOS: Fixed issue with loading view size in landscape orientation ([#100](https://github.com/Redth/ZXing.Net.Mobile/issues/100))
+        - Android: Fixed issue with scanning not working from timestamps ([#98](https://github.com/Redth/ZXing.Net.Mobile/issues/98))
+
+ - v1.4.3
+        - iOS: Fixed slowness after 4-5 scans ([#71](https://github.com/Redth/ZXing.Net.Mobile/issues/71))
+        - WP8: Fixed preview sometimes not starting
+        - Android: Fixed resuming fragment which closes
+        - Android: Scanner rotates as needed for orientation
+        - Android: Removed YuvImage use for better, faster decoding with less memory usage
+        - Android: Added permission checks
+        - Updated ZXing.Net version used
+
+ - v1.4.2
+ 	- WP8: Fixed crash when pressing back while camera initializes
+ 	- Android: Added merged workaround from @chrisntr support for Google Glass	
+ 	- Android: Now using the ***Android Support Library v4*** from the component store
+ 	
+ - v1.4.1
+ 	- iOS: Fixed multiple scanner launches causing Scanning to no longer work
+ 	- Android: Fixed rotation on some tablets showing incorrectly
+ 	
+ - v1.4.0
+   - iOS: Added iOS7's built in AVCaptureSession MetadataObject barcode scanning as an option
+   - iOS: Fixed Offset of overlay and preview layers when a non-zero based offset was specified
+   - iOS: Added code to remove session inputs/outputs to improve performance between scans
+   - iOS: Front Camera now possible on iOS
+   - Android: Fixed rotation
+   - Windows Phone: Added Windows Phone 8 samples and builds
+   - Windows Phone: Dropped explicit support for WP7x (code is still there, but no binaries shipped)
+   - Updated ZXing.NET version used
+   - General performance enhancements and bug fixes
+   
+ - v1.3.6
+   - Built for Xamarin 3.0 with async/await support
+   - iOS: Added PauseScanning and ResumeScanning options
+   - iOS: Added empty ctor to ZXingScannerView
+
+ - v1.3.5
+   - Views for each Platform - Encapsulates scanner functionality in a reusable view
+    - iOS: ZXingScannerView as a UIView
+    - Android: ZXingScannerFragment as a Fragment
+    - Windows Phone: ZXingScannerControl as a UserControl
+   - Scanning logic improvements from ZXing.Net project
+   - Compiled against Xamarin Stable channel
+   - Performance improvements
+   - Bug fixes
+
+ - v1.3.4
+   - iOS: Scanning Engine rebuilt to use AVCaptureSession
+   - iOS: ZXingScannerView inherits from UIView can now be used independently for advanced use cases
+   - Android: Fixed Torch bug on Android
+   - Android: Front Cameras now work in Sample by default
+   - Performance improvements
+
+   
+ - v1.3.3
+   - Fixed Android not scanning some barcodes in Portrait
+   - Fixed Android scanning very slowly
+   - Added to MobileBarcodeScanningOptions: IntervalBetweenAnalyzingFrames to configure how 'fast' frames from the live scanner view are analyzed in an attempt to decode barcodes