Update README.md

Add a link to Bootstrap a11y theme
adding Dennis' github
adding close button to list of alert and modal fixes
Merge pull request #23 from weboverhauls/master

adding close button to list of alert and modal fixes
Merge pull request #19 from bassjobsen/patch-1

Update README.md - add a "Other Resources" section with a link to the a11y bootstrap theme.
minor punctuation and formatting
removing manual heading anchor
Merged with weboverhauls-master
Merge pull request #24 from weboverhauls/master

minor punctuation and formatting
Missing semi-colon and don't need to specify window.jQuery here. It was causing an issue with compiled scripts together
Merge pull request #27 from bassettsj/jquery-enclosure

Missing semi-colon and trailing white space in the plugin.
upgrading to 3.1.1
Merge branch 'master' into gh-pages