Cleanup

- Removed unnecessary README_TASKD, which was for beta.
Shell

- Removed references to the shell which does not work.
Documentation

- Cleaned up mixed indentation, trailing spaces in man page.
Code Cleanup

- Removed unnecessary vector.
Shell

- Coded around the absence of wordexp on some BSD systems.
Code Cleanup

- Removed unnecessary cmake processing for shell.
Revert "Shell"

This reverts commit 9a2149788e279e33bfb00aa3298a3c9be81635ed.
Bug

- Corrected #define spelling.