Change shell prompt to 'YESOS' from '391OS'
Add type information to queue.h
Add file_sys check. Update printed prompts/info. Add sleep function. Refactor fs_init to use passed in boot_block pointer.
Fix keyboard buffer handling when we're not in a term_read
Remove unused code and fix character
Fix keyboard initialization on real hardware
Fix issues that arose from custom filesys_img, copy script from class directory that does it for us properly.
Fix formatting, spaces vs. tabs, and add sections to headers
Rename force_reboot to triple_fault
Fix issue with clearing/setting interrupts
Remove magic constants
Add null checks
Refactor sys_open to use fops tables; validate pointers in sys_{exec,getargs}
Merge remote-tracking branch 'origin/master' into multiple-terminals