Fix user menu on homepage.
make add_sizes_to_versions executable
add permadelete_version script
Fix typo: devlopment
Merge pull request #745 from gabebw/gbw-fix-typo

Fix typo: devlopment
Closes #739 - Update icons to match new logo
Merge pull request #734 from tylerdooling/fix_user_links_on_homepage

Fix user menu links on homepage.
Merge pull request #747 from rubygems/739-ac-update-icons

Closes #739 - Update icons to match new logo