Merge pull request #11 from dhirajbodicherla/master

1. added modifed header to do async stuff
merge
Merge pull request #12 from dhirajbodicherla/master

1. fixed header.header bug
trial
Merge branch 'master' of github.com:sanghal/slingo
commit
Merge pull request #13 from dhirajbodicherla/master

1. updating language collection
logout
Merge branch 'master' of github.com:sanghal/slingo
1. added global template