* Update index.markdown
firmed up the description of the upgrade process from the gui
added a screenshot to ssh command line upgrade
* ssh upgrade screenshot
ssh upgrade screenshot for inclusion into the upgrade process docs
* Update index.markdown
* Small typo fixes
I've fixed some small typo's and changed sentences a little to be more fluent.
* Added information about Hass.io update process.
Hass.io users end up on this page when an update is available, but then can't see what they have to do. This is because of the the updater component and the inevitable delay in updates getting into the hass.io build.
This update informs users about an updates transition from HA into Hass.io, how to install it, and suggests disabling the updater component to alleviate 'notification stress'.
* Removed 'Note'
Removed 'Note' and left the upgrading section at the bottom of the page.
* Remove double space