Update version numbers to 4.4.6-{DEV,SNAPSHOT}
Merge pull request #230 from melissalinkert/4.4.6-dev-version-numbers

4.4.6-DEV version numbers
Add BF_RELEASE environment variable to control release number

- If not input, default release number to git-describe tag
Merge pull request #235 from sbesson/sphinx_bf_release

Add BF_RELEASE environment variable to control release number
Create customized sidebar block with Downloads & Licensing links
Sorting links and formatting
Fixing broken links
More link fixes
Removing reference to ice-bindings
Fix links to downloads and licensing pages
Fix duplicatenavigation bars
Adding export and reader-guide files
Restore relations sidebars to display Next/Previous topic links
Rename global toc sidebar
Adding & formatting Migrate list from Curtis
Deleting out of date stuff
Merge pull request #236 from sbesson/sidebar_extension

Merged #236
Fixing wording on endrov link
Sorting remaining issues ex non-developer new
Merge pull request #237 from qidane/broken-links

Broken links