Copy edits to the release notes.

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2746 update configuration example

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2706 add arbiter config options

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-3063 convert homebrew install to steps format

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-3063: tweaking wording
DOCS-2882: changing zipcodes type
Fix start instruction on install on rhel
DOCS-2882: zipcodes are strings afterall
DOCS-3055 incorporate security architecture redact image
DOCS-3100: tweaking langauge
DOCS-3100: adding documentation of storage.quota.enforced
DOCS-2868 add 'deprecated' flag to lockType

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-3098 exists and notablescan
DOCS-2957 change title to field level redaction from redaction
redirect for audit-operation page
renaming redaction title
trivial: add versionadded tags to new write commands
minor: adding file to conf page
change heading in security introduction
move note about password hashing around in consideration section