Update _run_jekyll.sh

replace hardcoded path with a jenkins build variable that uses HOME dir of the logged in user in slave.

Update _run_jekyll.sh
Merge pull request #129 from sudhirpandey/patch-1

Update _run_jekyll.sh
Autocommit: syntax map changed 2014-09-04-14:39:42
Autocommit: libraries changed 2014-09-04-14:39:42
Autocommit: help text changed 2014-09-04-14:39:42