Set TERM variable to xterm-256color, if we're on xterm
Reduce terminal window title size

Strip current working directory and command line arguments
Revert "Enable window title setting for tmux"

tmux configuration uses pane-names, which are set to normal xterminal
titles

This reverts commit 9503cc10d58cb7a7302e1febc6f187bcde068345.

Conflicts:
	rc.d/xterminals.sh