[query] Add Graphite support for ** with metric path selectors (m3db#…

…3020)

[docs] Update documentation for dynamic namespace configuration in Co…

…ordinator (m3db#2874)

[docs] Update documentation for dynamic namespace configuration in Co…

…ordinator (m3db#2874)

[dbnode] Add validation to ensure index claims is singleton (m3db#2877)

[dbnode] Remove namespaces from example config and integration tests (m…

…3db#2866)

Replace closer with resource package (m3db#2864)

[dbnode] Add ability to force enable cold writes from config (m3db#3002)

Build just services for hotfix branch