Release criteria proposal: partitioning (alpha and beta)

[John Reiser]

> the proposed partitioning criteria for F18

> So that leaves Beta. Here's what I've come up with for Beta so far:
> 
> * The installer must be able to complete an installation using automatic
> partitioning to a disk with sufficient empty space, using the empty
> space and leaving the existing partition table and data untouched
> 
> * The installer's custom partitioning mode must be capable of the
> following:
> ** Creating and assigning mount points to partitions of any specified
> size using most commonly-used filesystem types
> ** Creating encrypted partitions
> ** Rejecting obviously invalid operations without crashing

In addition to creating new partitions from free space,
I'd like to be able to re-use existing partitions
(keep the space allocation, but optionally [re-]format,
or change the filesystem type and label)
without having first to delete them (thus turning them
into free space.)

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