Fixed a typo on the forms in PXE explorer.

https://bugzilla.redhat.com/show_bug.cgi?id=1158093
https://bugzilla.redhat.com/show_bug.cgi?id=1158205
Delay v2 key generation until first boot

[skip ci]
Merge pull request #955 from jrafanie/generate_v2_key_on_boot

Delay v2 key generation until first boot
Merge pull request #942 from h-kataria/fixed_typo

Fixed a typo on the forms in PXE explorer.