add bintray upload gradle script

Author: ypresto

lib/build.gradle

@@ -1,4 +1,14 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.novoda:android-bintray-release:0.2.3'
+    }
+}
+
 apply plugin: 'com.android.library'
+apply plugin: 'android-bintray-release'
 
 android {
     compileSdkVersion 19
@@ -19,6 +29,15 @@ android {
     }
 }
 
+publish {
+    groupId = 'net.ypresto.androidtranscoder'
+    artifactId = 'android-transcoder'
+    version = '0.1.3'
+    licences = ['Apache-2.0']
+    website = 'https://github.com/ypresto/android-transcoder'
+    autoPublish = false
+}
+
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
 }