Implemented support for custom gradle setting

build.gradle

@@ -5,6 +5,18 @@ plugins {
 
 apply from: 'build_publish.gradle'
 
+// Load custom properties
+if (project.hasProperty('customProperties')) {
+    project.logger.info("Loading custom properties from: ${project.property('customProperties')}")
+    def props = new Properties()
+    file(project.property('customProperties')).withInputStream { props.load(it) }
+
+    props.each {key, value ->
+        project.logger.info("Updating property: ${key}")
+        project.ext[key] = value
+    }
+}
+
 repositories {
     mavenLocal()
     mavenCentral()