Fixes 12685: Display current version under download button on homepage

BS3 commits: 4973bfd5d777f8a92d7d95eee6bd3231242af3eb
http://www.youtube.com/watch?v=YQwYNca4iog

BS3 commits: 3350c73666b811dbe9f351f97c6f6df4b66c6d04
Update Glyphicons

BS3 commits: 728067b586d2d989c07e8a6265f06fa8631c6b1f
add version to getting started page

BS3 commits: 6f0059c5273bc6b051df411b9844b91b2b46a0cd
grunt