Update bower.json file.
Merge branch 'master' of https://github.com/krissihall/bootstrap

* 'master' of https://github.com/krissihall/bootstrap: (210 commits)
  grunt dist
  Use HTTPS in CDN URLs in _config.yml
  Tabs to spaces
  speed up js tests a bit
  Follow-up to #13907: simplify JS logic for focus shim
  regenerate docs/assets/js/docs.min.js
  popover dismiss-on-next-click example: instead of <button>, use <a> w/ tabindex
  Fix jsbin link
  Another new js bin link
  add docs note about browsers w/ JS disabled; fixes #14134
  fix #14114 mo' betta
  Fix inaccessible buttons.
  typos
  Redundant thanks to bb1286a0ab073bce1d18f704d7ac0545ea76c6ef
  grunt
  Fixes #14074: Make open dropdown nav links in navbar use gradients
  Fixes #14133
  Fixes #14132: add .alert-dismissible to docs examples
  Use bootstrapcdn links
  New Android select example
  ...