commit before merge
Revert "commit before merge"

This reverts commit 77c923092adf822789c7ec529088d8d1d875aea7.
Merge remote-tracking branch 'upstream/master'
making sure all safe after odd merge
New download page
Merge optional partitions paragraph
Mention partitions inline, no external link
Better comparison between slack and salix installers
Remove table for installation modes

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