reduced size of Couchbase nodes
renamed targets "on/off" to "start/stop"
renamed targets "on/off" to "start/stop"
added target to convert diagrams to image
added macro "mvn" to run maven in the Vagrant VM
added image "database-server.png"
added image "database.png"
added image "gear.png"
added image "internet.png"
added image "poc-architecture.png"
added image "sample-architecture.png"
added image "server.png"
added diagram "poc-architecture.dia"
added diagram "sample-architecture.dia"