mongo processes can coexist on the same machine (not tested: windows)
tested and works on windows
added shell scripts to mongolaunch
can now run 1 mongod process on 1 physical machine
replset on 2 physical machines
sharded cluster, mixed machine types, versions, is now working...
moved working examples out of examples/new to examples
added three_configs.json
each instance should be tagged with its _id
changed some print statements around