updated HELIO link to the updated registry which is not linked to a particular machine
Merge pull request #1080 from dpshelio/heliofix

HELIO url update
Run automated tab to space indentation fixer.
Fix @dpshelio's comments on doc indentation.
Merge pull request #1066 from Cadair/tabs

[BigFix]: Run automated tab to space indentation fixer.
merge conflict resolve