Version Control With Subversion Source

183, point out that 'svn annotate' really wants to operate on
human-readable files only (but that --force will do its thang if
required).

* en/book/ch02-basic-usage.xml
(svn.tour.history): Mention 'svn annotate', too.
(svn.tour.history.browsing.annotate): New section.
(svn.tour.history.browsing.cat, svn.tour.history.browsing.list):
Give these sections meaningful, prose-y titles.