Updating my docker tools now that I use swarm

Add rmold and resetx

Specify full path to POSIX utilities; Clean up scripts' output

Fix to `epub` and `enumerate` rows in README

Added networking scripts (i.e. vpn*); Updated style of most scripts

Added tarls; Update to mktar for archiving directories

Cleaned up README

Initial commit of cleaned-up dev branch

Restarting with fresh commit history