Add :version and :package-version

Add :version and :package-version

* ox.el (org-export-snippet-translation-alist)
(org-export-coding-system, org-export-in-background)
(org-export-async-init-file, org-export-invisible-backends)
(org-export-dispatch-use-expert-ui):
* ox-texinfo.el (org-texinfo-filename, org-texinfo-classes)
(org-texinfo-format-headline-function)
(org-texinfo-node-description-column)
(org-texinfo-active-timestamp-format)
(org-texinfo-link-with-unknown-path-format)
(org-texinfo-tables-verbatim)
(org-texinfo-table-scientific-notation)
(org-texinfo-text-markup-alist)
(org-texinfo-format-drawer-function)
(org-texinfo-format-inlinetask-function)
(org-texinfo-info-process):
* ox-man.el (org-man-tables-centered)
(org-man-table-scientific-notation)
(org-man-source-highlight, org-man-source-highlight-langs)
(org-man-pdf-process, org-man-logfiles-extensions):
* ox-html.el (org-html-allow-name-attribute-in-anchors)
(org-html-coding-system, org-html-divs):
* ox-ascii.el (org-ascii-text-width)
(org-ascii-headline-spacing, org-ascii-indented-line-width)
(org-ascii-paragraph-spacing, org-ascii-charset)
(org-ascii-underline, org-ascii-bullets)
(org-ascii-links-to-notes)
(org-ascii-table-keep-all-vertical-lines)
(org-ascii-table-widen-columns)
(org-ascii-table-use-ascii-art)
(org-ascii-format-drawer-function)
(org-ascii-format-inlinetask-function):
* org.el (org-modules, org-export-backends)
(org-highlight-latex-and-related, orgstruct-setup-hook):
* org-attach.el (org-attach-git-annex-cutoff):
* org-archive.el (org-archive-file-header-format):
* org-agenda.el (org-agenda-todo-ignore-time-comparison-use-seconds):
* ob-python.el (org-babel-python-hline-to)
(org-babel-python-None-to):
* ob-ditaa.el (org-ditaa-eps-jar-path):
* ob-core.el (org-babel-results-keyword): Add :version and
:package-version.

* ox-ascii.el: Use utf-8-emacs as the file coding system.