rename examples/ -> src/

The examples have nearly become a full pacman replacement.  Rename the
folder to indicate their more developed status.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
build programs by default

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: remove unimplemented options from usage

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: factor out cleanup code

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: use pu_print_version

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: handle regex compilation errors

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: cleanup option parsing

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: add --owns-file

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pacsift: add --local and --sync

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>