Version Control With Subversion Source

* en/book/ch05-repository-admin.xml
Fix a syntax buglet introduced in r4371.

* en/book/ch03-advanced-topics.xml,
* en/book/ch04-branching-and-merging.xml,
* en/book/ch05-repository-admin.xml,
* en/book/ch06-server-configuration.xml
Formatting/markup changes, mostly.

* en/book/ch02-basic-usage.xml
Just a couple of minor edits for clarity.

Merge from ^/trunk/en r4368 (minor svn status reference tweaks).

Finish the portion of issue 64 ("Mistakes in 'svn Subcommands' : 'svn
status'") that I care to address at this time.

* en/book/ch09-reference.xml
(svn.ref.svn.c.status): Format the "lock status" column codes the
same way other codes are formatted, and make a minor wording tweak
for clarity.

Suggested by: chris0{__AT__}lavabit.com

* en/book/ch01-fundamental-concepts.xml
Minor wording tweaks for clarity.

Suggested by: Robert P. J. Day <rpjday {_AT_} crashcourse.ca>

Merge from ^/trunk/en r4364 (don't say commit can't carry arbitrary revprops).

Merge from ^/trunk/en r4364 (don't say commit can't carry arbitrary revprops).

Finish issue 141 ("ch05: Revisit the truth of a statement about
commits of custom properties").

* en/book/ch05-repository-admin.xml
(svn.reposadmin.maint.replication.svnsync): Tweak a paragraph to not
claim that Subversion can't propogate arbitrary revprops during
commit time. It actually can.

* en/book/book.xml
Add 2013 to the copyright years.