Feature titles and descriptions, Refactor given cluster

Add scenarios from spec review
mark @pending and @discuss
Also copyright and spacing 2 replaces 4
admin commands, Primary Reroute Primary-Only Commands
Scenario: Secondary OK GeoSearch
cursor and pinning
stop arbiter|primary for cursor continuity fix
connection and write concern
git mv cluster topology
Merge pull request #17 from gjmurakami-10gen/mongo-orchestration

Feature titles and descriptions, Refactor given cluster