Mark 1.4.0 release.

Author: Ray Lee

gradle.properties

@@ -11,7 +11,7 @@ POM_SCM_CONNECTION=scm:git:git://github.com/ThePalaceProject/android-core
 POM_SCM_DEV_CONNECTION=scm:git:ssh://[email protected]/ThePalaceProject/android-core
 POM_SCM_URL=http://github.com/ThePalaceProject/android-core
 POM_URL=http://github.com/ThePalaceProject/android-core
-VERSION_NAME=1.4.0-SNAPSHOT
+VERSION_NAME=1.4.0
 VERSION_CODE_BASE=70000
 
 android.useAndroidX=true