Fix Markdownlint: Fix long lines, text blocks and exclude Sphinx-internal files.#182

bernhardkaindl merged 2 commits intoxenserver:masterxenserver/python-libs:masterfrom

bernhard-xapi:Fix-CI-and-markdownlint-errorsbernhard-xapi/python-libs:Fix-CI-and-markdownlint-errorsCopy head branch name to clipboard