proof reading updates
updated with new screen captures
prepping for 4.2 snapshot release
updated SF logo per their request
Remove USB option from f9/10 since they're no longer provided by upstream
Remove 'ext' label from USB boot images as they're FAT these days
Fix a speeling error
Add formatting to make log more legible and clean up a grammar error
Add timestamps and more verbose logging to bundle installer
Correct 'periodic patching' flag location
