Comment 2 for bug 1056707

we really should do all checks we can before continuing with the rest of the install.
my proposal is to run that check again before continuing to the next page.

Options:
* run 'activate encrypted partitions' again upon clicking "install now". This has side effect that partman decides to create the encrypted file system, before coming back to partitioning menu.
* add "check swap" menu command to partman-crypto and push that before continuing.
* make partman run "unecrypted swap" check after adding swap partition straight away.
* better yet, do not offer to create unencrypted swap, if any encrypted volumes are active.