clean up weird option duplicates
add terminal detection
remove system clipboard hook (never worked right)
update status-style syntax
remove $CDPATH
delete unnecessary "shift"
Revert "remove system clipboard hook (never worked right)"

This reverts commit 9193da61e1e8fcbe6b9cbc1005b869b7dbac1fea.
misc. cleanup and tweaks
new function: whatpkg()
use xargs instead of -exec (nicer output)
add $FIGNORE
no colour on <8-colour terminals