Migrated to Gradle build system

Author: Federico Iosue

.gitignore

@@ -1,61 +1,52 @@
 # built application files
 *.apk
 *.ap_
- 
+*.jar
+!gradle/wrapper/gradle-wrapper.jar
+
 # lint folder
 lint
- 
+
 # files for the dex VM
 *.dex
- 
+
 # Java class files
 *.class
- 
+
 # generated files
 bin/
 gen/
 classes/
 gen-external-apklibs/
- 
+
 # maven output folder
 target
- 
+
 # Local configuration file (sdk path, etc)
 local.properties
- 
+
 # Eclipse project files
 .classpath
 .project
 .metadata
 .settings
- 
+
 # IntelliJ files
 .idea
 *.iml
- 
+
 # OSX files
 .DS_Store
- 
+
 # Windows files
 Thumbs.db
- 
+
 # vi swap files
 *.swp
- 
+
 # backup files
 *.bak
- 
+
 # gradle directory
 .gradle
-gradlew
-gradlew.bat
-gradle/
-build/
- 
-#for oh-my-zsh jira plugin (https://github.com/robbyrussell/oh-my-zsh/wiki/Plugins#jira)
-.jira-url
-atlassian-ide-plugin.xml
-/lint.xml
-
-# Unix temp lock files
-*~
+build/

build.gradle

@@ -0,0 +1,16 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.12.2'
+    }
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        jcenter()
+    }
+}