Removed GH API calls

build.gradle

@@ -1,5 +1,3 @@
-import groovy.json.JsonSlurper
-
 buildscript{
     repositories{
         mavenLocal()
@@ -38,8 +36,9 @@ allprojects{
             //get latest commit hash from gtihub since JITPack's '-snapshot' version doesn't work correctly
             if(arcHash == null){
                 try{
-                    arcHash = new JsonSlurper().parse(new URL("https://api.github.com/repos/Anuken/Arc/commits/master"))["sha"]
+                    arcHash = 'git ls-remote https://github.com/Anuken/Arc.git'.execute().text.split("\t")[0]//new JsonSlurper().parse(new URL("https://api.github.com/repos/Anuken/Arc/commits/master"))["sha"]
                 }catch(e){ //github can get angry sometimes
+                    e.printStackTrace()
                     arcHash = "-SNAPSHOT";
                 }
             }