Remove deprecated and now unnecessary config value from conf.py.

--HG--
branch : 3.4
merge with 3.4
Remove a few config values that keep the default values, move values to the correct section

--HG--
branch : 3.4
merge with 3.4
Move Sphinx extensions to their own subdir.

--HG--
branch : 3.4
rename : Doc/tools/c_annotations.py => Doc/tools/extensions/c_annotations.py
rename : Doc/tools/patchlevel.py => Doc/tools/extensions/patchlevel.py
rename : Doc/tools/pyspecific.py => Doc/tools/extensions/pyspecific.py
rename : Doc/tools/suspicious.py => Doc/tools/extensions/suspicious.py
merge with 3.4

--HG--
rename : Doc/tools/pyspecific.py => Doc/tools/extensions/pyspecific.py
Move HTML templates to their own subdir.

--HG--
branch : 3.4
rename : Doc/tools/download.html => Doc/tools/templates/download.html
rename : Doc/tools/indexcontent.html => Doc/tools/templates/indexcontent.html
rename : Doc/tools/indexsidebar.html => Doc/tools/templates/indexsidebar.html
rename : Doc/tools/layout.html => Doc/tools/templates/layout.html
rename : Doc/tools/opensearch.xml => Doc/tools/templates/opensearch.xml
merge with 3.4

--HG--
rename : Doc/tools/indexsidebar.html => Doc/tools/templates/indexsidebar.html
Adjust the author field of the .tex files to reflect that docs are now maintained by all of us

--HG--
branch : 3.4
merge with 3.4
Doc readme: Fix markup, use https:// URLs.

--HG--
branch : 3.4
Use https:// URLs in the HTML templates.

--HG--
branch : 3.4
Use https:// URLs when referring to python.org hosts.

--HG--
branch : 3.4
Merge with 3.4
Update "where is python.org hosted" FAQ.

--HG--
branch : 3.4
merge with 3.4
Remove now-dead link to IDLE debugger doc and add PyCharm to the commercial IDEs.

--HG--
branch : 3.4
merge with 3.4
Fix external links to docs.python.org to use internal links instead.

--HG--
branch : 3.4
merge with 3.4