Added github readme

README.md

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+Maven Crypto Plugin
+==================================
+
+The plugin *crypto-maven-plugin* lets you encrypt and decrypt artifacts.
+
+
+What is it good for?
+--------------------
+
+* Encrypt generated artefacts
+
+Check out the [plugin web site][site] for details.
+
+[site]: http://labs.consol.de/projects/maven/crypt-maven-plugin/
+
+Development
+-----------
+
+* Build the plugin
+
+    mvn clean install
+
+  Make sure you got [Maven 3.0.3+][maven_download] or higher.
+
+* Build the site (and the optional example report)
+
+    mvn clean install integration-test site -Psite
+
+    mvn site:deploy -Psite,dist-labs
+
+* Release
+
+    mvn release:prepare
+
+    mvn release:perform
+
+Make sure you got the changes etc for the site updated previous to the release.
+
+[maven_download]: http://maven.apache.org