DOCS-120 organization and distribution of content
Checkpoint
DOCS-120 Custom Write Concerns using replica set tags
DC-120 custom write concerns with replica set tags
remove spurious blank lines
Tag aware sharding and shard key range documentation
DOCS-120 edits to tag aware sharding documentation
merge: DOCS-120
edits to write concern tag sets
DOCS-120 edits to the examples in the replica set configuration setting
DOCS-120 build fixes
merge: DOCS-120