added more comments.
Merge branch 'master' into pathell

Conflicts:
	pathell.txt
Merge branch 'pathell'
commited my changes.
add new change.
Merge branch 'master' into pathell
test
test
Merge branch 'master' of https://github.com/elephantscale/ctl
hello pradeep
Merge branch 'master' into pathell
test
test
Merge branch 'pathell'
change by john
Merge branch 'master' of https://github.com/elephantscale/ctl
Merge branch 'master' of https://github.com/elephantscale/ctl