Version Control With Subversion Source

* src/en/book/ch05-repository-admin.xml
s/repository configuration/configuration/ in the description of the
repository conf/ subdir.

Suggested by: Karl Heinz Marbaise

service update

* src/en/book/ch05-repository-admin.xml
Fixes based on review by Daniel Shahaf <d.s@...>.

* src/en/book/ch08-embedding-svn.xml
s/plugin/plug-in/, per the O'Reilly Style Guide and Word List.

* ch02-basic-usage.xml: some fixes from Bhuvaneswaran A <bhuvan@...>.

* ch04-branching-and-merging.xml: remove extra pegrev from third --reintegrate example.

A billion little corrections from Jens Seidel <jensseidel@...>.

* ch04-branching-and-merging.xml: more correctionst from Daniel Shahaf <d.s@...>.

* ch04-branching-and-merging.xml: some suggestions from Daniel Shahaf <d.s@...>.

* ch04-branching-and-merging.xml: some corrections from Stefan Sperling <stsp@...>.