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
Better sense.
Update source/administration/journaling.txt

Fix the typo
Update source/administration/sharded-clusters.txt
Update source/administration/sharded-clusters.txt
build: fixing link problems
build: linking improvement
build: epub output file name changed
build: fixing race condition
fixing link to write concern change
build: moving dynamic includes out of main makefile
build: moving some dependencies to a more obious location
merge: correction
merge: correction
merge: syntax correction