Updating to use JDK 7 and created gradle wrapper

mifosng-provider/build.gradle

@@ -5,7 +5,6 @@ gradle clean tomcatrunwar
 
 buildscript {
   repositories {
-     mavenLocal()
      mavenCentral()
      mavenRepo(name: 'zt-public-snapshots',
                url: 'http://repos.zeroturnaround.com/nexus/content/groups/zt-public/')
@@ -45,9 +44,9 @@ apply plugin: 'tomcat'
 apply plugin: 'project-report'
 
 /* define the valid syntax level for source files */
-sourceCompatibility = JavaVersion.VERSION_1_6
+sourceCompatibility = JavaVersion.VERSION_1_7
 /* define binary compatiblity version */
-targetCompatibility = JavaVersion.VERSION_1_6
+targetCompatibility = JavaVersion.VERSION_1_7
 
 project.ext.springVersion = '3.2.3.RELEASE'
 project.ext.springSecurityVersion = '3.1.4.RELEASE'