Version Control With Subversion Source

* en/book/ch00-preface.xml
(svn.intro.components): Remove an inconsistent period. Mention
svnrdump, too.

* en/book/ch01-fundamental-concepts.xml
(svn.basic.in-action.wc.tbl-1): Remove some inconsistent periods.
(svn.basic.in-action.wc): Update descriptions of the .svn layout per
the changes introduced in Subversion 1.7.