First cut Integration Test using REST-Assured. Also modifed .gitignore for Mac.

.gitignore

@@ -17,3 +17,4 @@ repos
 *.iws
 rebel.xml
 *.sublime-workspace
+*.DS_Store

mifosng-provider/build.gradle

@@ -160,7 +160,8 @@ dependencies {
  	        
  	 testCompile 'junit:junit:4.10', 
                  'org.mockito:mockito-all:1.9.0',
-                 'org.hamcrest:hamcrest-all:1.1'
+                 'org.hamcrest:hamcrest-all:1.1',
+                 'com.jayway.restassured:rest-assured:1.7.2'
  	 
 }
 
@@ -210,6 +211,24 @@ tomcatRunWar {
     configFile = file('src/test/resources/META-INF/context.xml')
 }
 
+
+sourceSets {
+    integrationTest {
+    }
+}
+
+configurations {
+    integrationTestCompile.extendsFrom testCompile
+    integrationTestRuntime.extendsFrom testRuntime
+}
+
+task integrationTest(type:Test){
+    description = "Run integration tests (located in src/integrationTest/java). Requires server to be running."
+    testClassesDir = project.sourceSets.integrationTest.output.classesDir
+    classpath = project.sourceSets.integrationTest.runtimeClasspath
+}
+
+
 /*
 * Support publication of artifacts versioned by topic branch.
 * CI builds supply `-P BRANCH_NAME=<TOPIC>` to gradle at build time.