Merge pull request #26 from druid-io/igalSite

Igal site
update version
Merge branch 'master' of github.com:druid-io/druid-io.github.io
update ver
update website version
add missing files
original hyperloglog post
add smaller hll graph
fix title
update version and docs
Merge branch 'master' of github.com:druid-io/druid-io.github.io
added the script that loads the CSE searchbox into pages containing the searchbox div
added the searchbox div with some styling; removed link to previous docs; set link to latest docs to appear in previous-docs pages only
Merge branch 'master' into igalSite