Implemented create_blank_direntry(). Relies on change_size, so cannot yet be tested fully.
Minor comment changes. Need to implement: add_block(), remove_block, ospfs_link(), ospfs_symlink(). change_size() relies on add_block().
Merge branch 'master' of https://github.com/nfischer/CS111Lab1

Conflicts:
	lab3/ospfsmod.c
Adding answers.txt
Adding in correct base directory