Remove integration tests, use commands directly in sbt shell

.gitignore

@@ -14,11 +14,9 @@ hs_err_pid*
 
 # gradle working files
 .gradle/
+build/
 
-/build/
-
-# IDEA build scripts
-/.idea/
-*.iml
-
-dist/
+# sbt files
+lib/
+project/
+target/

README.md

@@ -2,7 +2,6 @@
 
 ## Install from maven [![Build Status](https://travis-ci.org/minio/minio-java.svg)](https://travis-ci.org/minio/minio-java)
 
-
 ```xml
 <dependency>
     <groupId>io.minio</groupId>
@@ -12,6 +11,23 @@
 ```
 [![Maven](https://img.shields.io/maven-central/v/io.minio/minio.svg)](https://search.maven.org/#search%7Cga%7C1%7Ca%3A%22minio%22)
 
+## Install from source
+
+```sh
+$ sudo apt-get install gradle
+$ git clone https://github.com/minio/minio-java
+$ cd minio-java
+$ gradle build
+...
+$ ls build/libs/
+[2015-07-18 15:16:48 PDT]  51KiB minio-0.2.1-sources.jar
+[2015-07-18 15:16:46 PDT]  61KiB minio-0.2.1.jar
+[2015-07-18 15:16:49 PDT]   821B minio-0.2.1-javadoc.jar.asc
+[2015-07-18 15:16:49 PDT]   821B minio-0.2.1.jar.asc
+[2015-07-18 15:16:48 PDT] 156KiB minio-0.2.1-javadoc.jar
+[2015-07-18 15:16:49 PDT]   821B minio-0.2.1-sources.jar.asc
+```
+
 ## Example
 ```java
 import io.minio.client.Client;