Merge branch 'email2vimalraj/readme-for-maven'

Close #4764

plugins/mvn/README.md

+## Introduction
+
+The [mvn plugin](https://github.com/robbyrussell/oh-my-zsh/tree/master/plugins/mvn) provides many
+[useful aliases](#aliases) as well as completion for the `mvn` command.
+
+Enable it by adding `mvn` to the plugins array in your zshrc file:
+```zsh
+plugins=(... mvn)
+```
+
+## Aliases
+
+| Alias                | Command                                         |
+|:---------------------|:------------------------------------------------|
+| `mvncie`             | `mvn clean install eclipse:eclipse`             |
+| `mvnci`              | `mvn clean install`                             |
+| `mvncist`            | `mvn clean install -DskipTests`                 |
+| `mvne`               | `mvn eclipse:eclipse`                           |
+| `mvnd`               | `mvn deploy`                                    |
+| `mvnp`               | `mvn package`                                   |
+| `mvnc`               | `mvn clean`                                     |
+| `mvncom`             | `mvn compile`                                   |
+| `mvnct`              | `mvn clean test`                                |
+| `mvnt`               | `mvn test`                                      |
+| `mvnag`              | `mvn archetype:generate`                        |
+| `mvn-updates`        | `mvn versions:display-dependency-updates`       |
+| `mvntc7`             | `mvn tomcat7:run`                               |
+| `mvnjetty`           | `mvn jetty:run`                                 |
+| `mvndt`              | `mvn dependency:tree`                           |
+| `mvns`               | `mvn site`                                      |
+| `mvnsrc`             | `mvn dependency:sources`                        |
+| `mvndocs`            | `mvn dependency:resolve -Dclassifier=javadoc`   |