Update to 1.6.3 (rhbz#1426928)

Mark the test_latex_remote_images as expected failure
since it tries to fetch images from the web which is not possible
in koji or mock.

Added dependencies on python-typing,
python-sphinxcontrib-websupport, tex(ctablestack.sty)
and ImageMagick.

html-parser-HTMLParserError-removed.patch

@@ -1,21 +0,0 @@
-diff --git Sphinx-1.3.1/sphinx/builders/linkcheck.py~ Sphinx-1.3.1/sphinx/builders/linkcheck.py
-index 9f5c2131c2..71bec0262d 100644
---- Sphinx-1.3.1/sphinx/builders/linkcheck.py~
-+++ Sphinx-1.3.1/sphinx/builders/linkcheck.py
-@@ -19,9 +19,15 @@ from six.moves import queue
- from six.moves.urllib.request import build_opener, Request, HTTPRedirectHandler
- from six.moves.urllib.parse import unquote, urlsplit, quote
- from six.moves.urllib.error import HTTPError
--from six.moves.html_parser import HTMLParser, HTMLParseError
-+from six.moves.html_parser import HTMLParser
- from docutils import nodes
- 
-+try:
-+    from HTMLParser import HTMLParseError
-+except ImportError:
-+    class HTMLParseError(Exception):
-+        pass
-+
- from sphinx.builders import Builder
- from sphinx.util.console import purple, red, darkgreen, darkgray, \
-     darkred, turquoise