Revert "added jcenter repo"

This reverts commit b54e954c96014babd176d8f50ba6b7a9e44dea38.

build.gradle

@@ -7,7 +7,6 @@
 
 buildscript {
     repositories {
-        jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.2.1'
@@ -24,7 +23,6 @@ ext {
 }
 
 repositories {
-    jcenter()
     maven { url "https://jitpack.io" }
 
     flatDir {
@@ -43,6 +41,7 @@ dependencies {
     compile "com.android.support:appcompat-v7:${supportLibraryVersion}"
     compile 'com.getbase:floatingactionbutton:1.10.1'
 
+
     /// dependencies for local unit tests
     testCompile 'junit:junit:4.12'
     testCompile 'org.mockito:mockito-core:1.10.19'
@@ -65,6 +64,7 @@ dependencies {
     // fix conflict in dependencies; see http://g.co/androidstudio/app-test-app-conflict for details
     androidTestCompile "com.android.support:support-annotations:${supportLibraryVersion}"
 
+
 }
 
 tasks.withType(Test) {
@@ -113,12 +113,14 @@ android {
             assets.srcDirs = ['assets']
         }
 
+
         // move whole local unit tests structure as a whole from src/test/* to test/*
         test.setRoot('test')
 
         // move whole instrumented tests structure as a whole from src/androidTest/* to androidTest/*
         androidTest.setRoot('androidTest')
 
+
         // Move the build types to build-types/<type>
         // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ...
         // This moves them out of them default location under src/<type>/... which would