millis is elapsed time from start to end of the op

If any yielding happens then all lock time is included.
Update 2.6.txt

Fixed typo: `.aggregation()` --> `.aggregate()`

Signed-off-by: kay <kay.kim@10gen.com>
'and' alone works fine here

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2448: changing journaled write concern sentence
added a little more text on hidden mode as i fear people use it when they shouldnt
clarify hidden:true a tad
it is not necessary that latency is low, so removed that
Update isolated.txt
Copy edits for typos

Signed-off-by: Sam Kleinman <samk@10gen.com>
Update write-operations.txt

Fix a slightly jarring grammatical error (criteria is plural).

Signed-off-by: Sam Kleinman <samk@10gen.com>
Fix mismatched field name in documentation

Signed-off-by: Sam Kleinman <samk@10gen.com>
build: removing unneeded dependency
DOCS-2463 http interface disabled by default in 2.6
DOCS-2456: edit hidden member text
Fix typo in Write Operation Performance

Signed-off-by: Sam Kleinman <samk@10gen.com>
Fix grammar mistake in Data Modeling Introduction

Missing "the"

Signed-off-by: Sam Kleinman <samk@10gen.com>
Fix grammar in Operational Factors and Data Models

Signed-off-by: Sam Kleinman <samk@10gen.com>
Fix mistake in Multikey Indexes

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2425 clarify upgrade path to 2.6
DOCS-2343: backup and restore tutorial introduction