move/copy command

[mark-ep]

add a new set of commands:

doclib project (move/mv) [new name]
doclib category (move/mv) -p [new project] -c [new name]
doclib document (move/mv) -p [new project] -c [new category] -d [new name]

doclib (p/project) (copy/cp) [new name]
doclib (c/category) (copy/cp) -p [new project] -c [new name]
doclib (d/document) (copy/cp) -p [new project] -c [new category] -d [new name]

for moving/renaming and copying library items