Can add existing symlink, link can have dif name

Requires database to have columns for original and link names
Added ability to relink a previous link that had been undone
Made directory selection dialog function and error handling more general
Started implementing with os.path module
Added a whole bunch of code for getting link target and for checking if
something is a symlink (source
from stackoverflow)

Added confirmation and errors to deletedb
Wrote convertdb to migrate old database to new one with the new column