added new version of Bootstrap select plugin
add keywords for reveal.js
add meta date for reveal.js
Update jcarousel to 0.3.1
Merge pull request #3062 from jsor/jcarousel-0.3.1

[author] Update jcarousel to 0.3.1
Merge pull request #3022 from PeterDaveHello/reveal.js_meta

Reveal.js meta
Merge pull request #3047 from msurguy/master

added new version of Bootstrap-select plugin