initial cut of mongoperf doc
Port of :wiki:DOCS/mongoperf to docs
Fix broken links for methods
fix typo re2ad  to read in write operations
merge: typo and linking fixes
DOCS-1030: replica set failover procedure
minor: fixing cross reference
minor: fixing cross reference
merge: DOCS-971
DOCS-971: edits
DOCS-1032: write concern related change
DOCS-971: edits
Minor typo
minor style correction
Update source/tutorial/perform-two-phase-commits.txt

Fixed the word order
intersphinx: improvements
2.4: removing errant mentions of 2.4 in mainline.
merge: minor correction
DOCS-1033: correction
DOCS-1034 correction