Update. Gradle Setting

app/build.gradle

@@ -33,5 +33,4 @@ dependencies {
     compile project(':avatarview')
 
     compile "com.android.support:appcompat-v7:$rootProject.ext.supportLibraryVersion"
-    compile 'com.android.support.constraint:constraint-layout:1.0.0-beta4'
 }

avatarview/bintray.gradle

@@ -62,9 +62,6 @@ bintray {
         publicDownloadNumbers = true
         version {
             desc = libraryDescription
-            gpg {
-                sign = false
-            }
         }
     }
 }
\ No newline at end of file

build.gradle

@@ -18,6 +18,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven { url 'https://jitpack.io' }
     }
 }