fix overall remaining shred time and improve output

rm bunch of unneeded new lines

check on chosen device sooner

verify user really wants to quick during a shredding session

be less error happy with informative output and cursor fixing

accurately allocated bytes to be written which eliminates the need to round the
percent

clean up some more style and output

unveil write only and edit fwrite error

add the linker to Makefile

detect removed disk and init var earlier

fix math on pass count notification

fix the name

style