Version Control With Subversion Source

* zh/book/ch04.xml: Add UTF BOM, finished, need more check up.
* zh/book/glossary.xml: add some new word

Revert r1579 which added a long warning from Eric Hanchrow (issue #2131),
because this may well not be the best place or manner in which to address
the issue. Requested by Ben Collins-Sussman.

* src/en/book/ch04.xml (svn.branchmerge.copychanges.bestprac):
Remove a long warning.

* src/en/book/ch04.xml (svn.branchmerge.copychanges.bestprac):
Warn about restructuring directories in a branch, because of issue #895:
renames delete by name, not by object identity.

Patch by: Eric Hanchrow <offby1@...>
(Tweaked by me.)

* src/en/book/ch03.xml (svn-ch-3-sect-6.1): Note that "svn log -qv"
shows just the names of the changed files.

Patch by: Eric Hanchrow <offby1@...>

* ru/sync.py
Changed for use a svn propety 'last-sync' instead of tag <edition>

* ru/book/appa.xml
* ru/book/appb.xml
* ru/book/appc.xml
* ru/book/foreword.xml
* ru/book/ch00.xml
* ru/book/book.xml
* ru/book/ch01.xml
* ru/book/ch02.xml
* ru/book/ch03.xml
* ru/book/ch04.xml
* ru/book/ch05.xml
* ru/book/ch06.xml
* ru/book/ch07.xml
* ru/book/ch08.xml
* ru/book/ch09.xml
* ru/book/copyright.xml
* ru/book/styles.css
Replacing tag <edition> by property 'last-sync'

* ru/TRANSLATION-STATUS: change of status for modified files

* ru/sync.py: added a color output for switch '-l'

* ru/book/appa.xml
* ru/book/appb.xml
* ru/book/appc.xml
* ru/book/foreword.xml
* ru/book/ch00.xml
* ru/book/ch01.xml
* ru/book/ch02.xml
* ru/book/ch03.xml
* ru/book/ch04.xml
* ru/book/ch05.xml
* ru/book/ch06.xml
* ru/book/ch07.xml
* ru/book/ch08.xml
Sync with en/, up to r1575

* ru/sync.py
* ru/Makefile
Return to a way suggested by default for printing revision number
of the book on a title page

Proofreading in the Norwegian book.

* src/nb/TRANSLATION-STATUS
(3. Proofread): Updated ch05.xml and added a note about the new
@PROOFREAD marker which is used to mark the end of the proofread text.

* src/nb/book/ch00.xml
* src/nb/book/ch05.xml
* src/nb/book/ch06.xml
Typo fixes and tweaks.

Norwegian svnbook: Add a new macro to the Vim syntax file.

* src/nb/tools/svnbook.vim
Add a new <F7> macro which does the same as <F6> (reformats
paragraphs) but works better with proofread text as it searches for
the next change instead of the next @ENGLISH marker.

Finished ch06.xml in the Norwegian book.

* src/nb/TRANSLATION-STATUS
Moved ch06.xml to Finished and ch07.xml to In Progress.

* src/nb/book/ch06.xml
Finished.

* src/nb/book/ch07.xml
Added a modeline for Vim.