Merge pull request #35 from mfiguiere/master

Suggested improvements in the Cassandra sample
Removing some redundant code
Adding navigation to the previous page
Adding instructions to download, configure and start Mongo
Removing the usage of embedded Mongo, asking the users to explicitly start Mongo
Removing the redundant dependency
Samples can run using Embedded GlassFish using "embedded-glassfish" profile
Starting work on Neo4j sample
Marking transactions for committing during close
Adding neo4j sample
Adding a break to avoid redundant evaluation
Starting work on HBase sample
Fixed javadocs and sources download
Merge pull request #1 from openwms/fix-javadocs-download

Fixed javadocs and sources download
Merge pull request #44 from openwms/master

Fixed javadocs and sources download
Added maven-enforcer-plugin to take care of Maven in version 3.x and Java 1.7, to avoid clashes on developer environment
Merge pull request #45 from openwms/master

Added maven-enforcer-plugin to take care of ...
Interim commit to share the source code
Adding voldemort module
Adding sample code for Voldemort module