Merge pull request #1 from CodeLanka/master

updating gh-pages
Update _config.yml
update 0.1

Session update 0.1
Revert "update 0.1"

This reverts commit 6761a907338e20a84d59ba3b67f2c56321441bfc.
update 0.2
Merge pull request #2 from CodeLanka/gh-pages