changed from inconsolata to terminus for terminal font
added print_command to print email to office printer
tons of changes
changed font from inconsolata to terminus
changed path to battery online status (for new Lenovo)
added wifi script to compute and print wifi essid and quality
lots of changes
moved environment variable declarations from `zshenv' to `zshrc'
removed `zshenv' since environment declarations are now in `zshrc'