Updated Build Variants (markdown)

Build-Variants.md

@@ -16,9 +16,22 @@ If you need a jar file (e.g. for cordova) run gradle task `createFullJarRelease`
  
 # Local maven repository
 
-To use a local maven repository (e.g. for testing new library version) comment in
+To use a local maven repository (e.g. for developing usb-serial-for-android enhancements and testing in your application) comment in
 
     //apply from: 'publishToMavenLocal.gradle'
 
-set correct version and run gradle task `publishToMavenLocal`. 
+This script is not enabled by default, as it confuses jitpack. 
-This include file is not enabled by default, as it confuses jitpack
+
+In your application toplevel `build.gradle` file add *mavenLocal* repository
+
+    allprojects {
+        repositories {
+            mavenLocal()
+            ...
+
+To consume new changes you have to 
+1. increase version in `publishToMavenLocal.gradle`
+2. run gradle task `publishToMavenLocal`
+3. adjust usb-serial-for-android version in your `app/build.gradle`
+
+Instead of executing steps 1.+3. you could also use some [gradle tricks](https://stackoverflow.com/questions/13565082/how-can-i-force-gradle-to-redownload-dependencies) to force dependency update