Use gradle-wrapper instead (#200)

* Use gradle-wrapper instead

* Changed second gradle usage to use gradlew aswell

Author: RichoDemus

README.md

@@ -27,11 +27,11 @@ ___
 # Build
   - Clone the repo and cd into the folder
   - `` git submodule update --init ``
-  - verify that you have gradle in your path
-  - `` gradle build bundle ``
+  - compile and package
+  - `` ./gradlew build bundle ``
   - you should have the api bundled in ``build/libs/PokeGOAPI-Java_bundle-0.0.1-SNAPSHOT.jar``
 
-  PS : To Eclipse user, you must build once : `` gradle build `` and add the generated java class for proto into eclipse source path : Right click on the project > Build path > Configure Build Path > Source > Add Folder > Select `build/generated/source/proto/main/java` > Finish
+  PS : To Eclipse user, you must build once : `` ./gradlew build `` and add the generated java class for proto into eclipse source path : Right click on the project > Build path > Configure Build Path > Source > Add Folder > Select `build/generated/source/proto/main/java` > Finish
 
 # Usage
 Include the API as jar from your own build, or use Maven/Gradle/SBT/Leiningen: https://jitpack.io/#Grover-c13/PokeGOAPI-Java/master-SNAPSHOT