Look for "configurations" directory in MONGO_ORCHESTRATION_HOME.
Set MONGO_ORCHESTRATION_HOME to current working directory if unset at startup.
Fix: Use first release defined in --config file when one is given, then resort to binaries on PATH.
Add "reset" action for Server.
Add "reset" action for ReplicaSet.
Add "reset" action for ShardedCluster.
Merge pull request #91 from lovett89/reset-action

Add "reset" action for Servers, ReplicaSets, and ShardedClusters
Have a better error message for misuse of setParameter.
Merge pull request #96 from lovett89/setparam-message

Have a better error message for misuse of setParameter.
Make one member of each replica set an arbiter.
Change default oplogSize to 100MB.
Add tag sets to all replica sets.
Change /replica_sets/<rs-id>/hosts -> /replica_sets/<rs-id>/servers
This was previously a "broken link," since it was calling the "hosts" method on ReplicaSets. This change fixes it and keeps names consistent.
Merge pull request #97 from lovett89/config-changes

ReplicaSet configuration changes
Wait for user to be replicated to secondaries before proceeding.
scripts/mo can support HTTP/1.1 responses.
Merge pull request #99 from lovett89/await-user-repl

Wait for user to be replicated to secondaries before proceeding.
Merge pull request #100 from lovett89/server-stop

scripts/mo can support HTTP/1.1 responses.
Authenticate before call to GLE.
Don't call serverStatus on arbiters with auth enabled.