Maven build tool download

Set M2_HOME for maven home directory.

M2_HOME=C:\apache-maven-3.0.5

Set JAVA_HOME with java JDK folder

C:\Program Files\Java\jdk1.7.0_21

Set PATH for maven bin folder,so that we can run mvn command anywhere in the system from command prompt.

C:\Program Files\Java\jdk1.7.0_21\bin;C:\apache-maven-3.0.5\bin;