Adds the option to override host mode

This change allows a host user to pass "client" as the first
command-line argument in order to access the client mode commands.
Change ps command to lsof for kick_user
Remove extra whitespace

Signed-off-by: Johnneylee Jack Rollins <Johnneylee.Rollins@gmail.com>
Teach wemux to install to the user's home directory

Signed-off-by: Johnneylee Jack Rollins <Johnneylee.Rollins@gmail.com>
Update README.md to reflect installing to $HOME

Signed-off-by: Johnneylee Jack Rollins <Johnneylee.Rollins@gmail.com>
Update man/wemux.1 to reflect installing to $HOME

Signed-off-by: Johnneylee Jack Rollins <Johnneylee.Rollins@gmail.com>