initial commit of dtf infrastructure
dtf: fixes for the inital batch of tests
Readability

"should also" reads better than "also should"

Signed-off-by: Sam Kleinman <samk@10gen.com>
dtf: enforcing line lengths
Adds missing a

Signed-off-by: Sam Kleinman <samk@10gen.com>
Readability improvements.

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1410 removing extraneous cross references
removing the word topic from our text
DOCS-1142 adding note about record stats
DOCS-1325: adding links to the keepalive documentation for windows.
DOCS-1374 removing oom-killer discussion
DOCS-1374 Add footnote to ulimit -v description
DOCS-1379 clean up of inconsistent sentence
DOCS-1416: clarifiying journal commit interval
DOCS-1426 remove fields and fieldFile options from mongooplog

Signed-off-by: Sam Kleinman <samk@10gen.com>
minor: dtf fixing test
DOCS-1422 fixing cross reference.
minor: build adding requirements.txt file for repo
Fixed some grammar in the convert-secondary-into-arbiter.txt doc file

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1053 array and compound conditional operators

Signed-off-by: Sam Kleinman <samk@10gen.com>