Make use of rc file for congiuration
Set -e, -u bash options

Lets exit on error and not allow undefined variables
Create ircdir if it does not exist, ignore chmod errors
Remove -e ssl option from ii invocation, ii 1.7 does not have that option
Cleanup all child processes when we exit

Do this by killing the process group in bash exit trap
Do not assume iicmd is on the path

But assume iicmd is in the same directory as iibot executable
Show network connection progress