minor: unix ports less than 1024 require root access, not 1000

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1223 Fix JIRA collector for anonymous/unauthd users

Signed-off-by: Sam Kleinman <samk@10gen.com>
style: update note related to DOCS-1120
DOCS-1216: adding --forceTableScan to mongoexport