update maven group ID

Author: Cliffus

expandabletextview/build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'com.jfrog.bintray'
 
 def fullVersion = '1.0.0'
 
-group = 'at.blogc.android'
+group = 'at.blogc'
 version = fullVersion
 
 android {