build: minor to fix os x compatibility
fixes: rst errors and build issues
tools: fixing set parameter to avoid duplicates
DOCS-985: first public commit of new auth features.

- role based access control
- kerberos authentication
DOCS-875  operator
minor: corrections to auth documents and clean up of release notes documentation
minor: resolve build issues
minor: fixing xref issue
edits: authentication
trivial: adding cross reference target
DOCS-1160: correcting example
DOCS-1068: clarifying notes on commands that turn secondaries into recovering members.
DOCS-1130 remove limitation on killop
DOCS-1002: oplog timeout
fix a typo

Signed-off-by: Sam Kleinman <samk@10gen.com>
add a link
merge: DOCS-1130
DOCS-1002: correction
DOCS-941: clarifying version added for replica set chaning
DOCS-1156: adding note about ssl to relevant tools