Added groundwork for pipes in the shell (unfinished)
Committing missed files for pipes
Fixed dirent functions to accomodate new field, next_dirent instead of rec_length. Fixed
mark unused for inodes and blocks to be correct instead of dumb.
Added mkdir.
Cleaned up ext2.h
lfs and lfl merge resolution.
file read/write open/close operational
working everything
Massive restructuringgggggg
deleted file
Added rmdir
Fixed comment.
convert cat and such to shell commands
Merge branch 'pi-hw2' of https://github.com/justinvreeland/xinu-arm into pi-hw2
Added copy and move.
finished shell commands, cd doesn't work due to no good namespace
handleing
remainig shell files
working cd, buffer problem with ls still
Merge branch 'pipes'
final branch merged in