Log Message:
Update emacs-snapshot tot 24.3.50.20130713.

Notable changes:
    - Fix races with threads and file descriptors.
    - progmodes/ruby-mode.el: Support array of symbols for Ruby 2.0.
    - filenotify.el: New package.
    - textmodes/bibtex.el: Add support for DOI URLs.
    - Convert symbol prettification into minor mode and global minor mode.
    - Add support for dired in saveplace.
    - Implement changes in Secret Service API.