Merge branch 'dev'

* dev:
  cleanup readme file
  version upgraded since pub.dartlang.org would not allow resource update without incremented version
  screenshots

# Conflicts:
#	README.md

README.md

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+
+A Star rating with touch swipe enabled increment/decrement
+* Supports half rate and full rate (1.0 or 0.5)
+* Swipe for incrementing/decrementing rate amount
+* Change star body and boundary colors independently
+* Control size of the star rating
+* Set your desired total Star count
+## Getting Started
+
+In your flutter project add the dependency:
+```
+    dependencies:
+        ...
+        smooth_star_rating: ^0.0.4
+```
+
+## Usage example
+``` 
+import 'package:smooth_star_rating/smooth_star_rating.dart'; 
+``` 
+
+```java 
+StarRating(
+          allowHalfRating: false,
+          onRatingChanged: (v) {
+            rating = v;
+            setState(() {});
+          },
+          starCount: 5,
+          rating: rating,
+          size: 40.0,
+          color: Colors.green,
+          borderColor: Colors.green,
+        )
+```
+
+## Constructor parameters
+``` 
+allowHalfRating                 -   Whether to use whole number for rating(1.0  or 0.5)
+onRatingChanged(int rating)     -   Rating changed callback
+starCount                       -   The maximum amount of stars
+rating                          -   The current value of rating
+size                            -   The size of a single star
+color                           -   The body color of star
+borderColor                     -   The border color of star
+```
+
+### Screenshots
+
+#### Full Rating
+![alt text](https://raw.githubusercontent.com/thangmam/smoothratingbar/master/screenshots/fullrating.gif "Full rating")
+
+#### Half Rating
+
+![alt text](https://raw.githubusercontent.com/thangmam/smoothratingbar/master/screenshots/halfrating.gif  "Half Rating")