Update Maven groupID (#3)

Author: adam-aws

.gitignore

@@ -0,0 +1,2 @@
+/target/
+.idea

README.md

@@ -21,8 +21,8 @@ You can download release builds through the [releases section of this](https://g
 
 ```xml
   <dependency>
-    <groupId>com.amazonaws</groupId>
-    <artifactId>large-payload-offloading-java-common-lib-for-aws</artifactId>
+    <groupId>software.amazon.payloadoffloading</groupId>
+    <artifactId>payloadoffloading-common</artifactId>
     <version>1.0.0</version>
     <type>jar</type>
   </dependency>

pom.xml

@@ -4,8 +4,8 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>com.amazonaws</groupId>
-    <artifactId>large-payload-offloading-java-common-lib-for-aws</artifactId>
+    <groupId>software.amazon.payloadoffloading</groupId>
+    <artifactId>payloadoffloading-common</artifactId>
     <version>1.0.0</version>
     <packaging>jar</packaging>
     <name>Large payload offloading common library for AWS</name>