upgrade version from "2.0.0-beta" to release "2.0.0"

Author: marlonlu

sonic-android/README.md

@@ -8,7 +8,7 @@
 
 Add VasSonic gradle plugin as a dependency in your module's build.gradle
 ```gradle
-compile 'com.tencent.sonic:sdk:2.0.0-beta'
+compile 'com.tencent.sonic:sdk:2.0.0'
 ```
 
 ## Implement sonic interface:

sonic-android/docs/Sonic接入指引.md

@@ -4,7 +4,7 @@
 在模块的build.gradle文件里面加入
 
 ```
-compile 'com.tencent.sonic:sdk:2.0.0-beta'
+compile 'com.tencent.sonic:sdk:2.0.0'
 ```
 
 ## 2.代码接入

sonic-android/sample/build.gradle

@@ -26,7 +26,7 @@ dependencies {
     })
 
     // compile sdk from jcenter
-     compile 'com.tencent.sonic:sdk:2.0.0-beta'
+     compile 'com.tencent.sonic:sdk:2.0.0'
 
     // compile sonic-sdk from local path
     // compile project(path: ':sdk')

sonic-android/sdk/build.gradle

@@ -11,7 +11,7 @@ android {
         minSdkVersion 9
         targetSdkVersion 25
         versionCode 2
-        versionName "2.0.0-beta"
+        versionName "2.0.0"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 

sonic-iOS/README.md

@@ -4,7 +4,7 @@
 [![wiki](https://img.shields.io/badge/Wiki-open-brightgreen.svg)](https://github.com/Tencent/VasSonic/wiki)
 ---
 
-### 2.0.0-beta support! 
+### 2.0.0 support! 
 To integrate VasSonic into your Xcode project using CocoaPods, specify it in your Podfile:
 
 ```lua