Updated nodejs modules path

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Fixed xbindkeys mpc commands

The previous commands were the wrong ones. They were for the true mpc program as
opposed to the mpc.sh wrapper script. The updated commands are intended to go to
the mpc.sh wrapper script.

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added npmrc file to define node path

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Defined msmtp for mail command

Signed-off-by: Byron Sanchez <byron@hackbytes.com>