twwatch.py: Set executable permission
twwatch.py: Remove bogus print statement
twwatch.py: Fix argument for call_dmenu()
Remove dir.sh

This script was broken since I couldn't figure how to do proper token
replacment with shell utilities.

    https://unix.stackexchange.com/questions/94787/replace-a-pattern-in-a-file-with-a-long-string/147148

I guess, I'm going to rewrite it in something like python
dict.cc.py: The search parameter is non-optional