center vizwall piwall configuration

.piwall

[centervizwall]
width=190
height=66
x=0
y=0

# Corresponding tile definitions
[vizwall-00]
wall=centervizwall
width=37
height=21
x=0
y=0

[vizwall-01]
wall=centervizwall
width=37
height=21
x=38
y=0

[vizwall-02]
wall=centervizwall
width=37
height=21
x=76
y=0

[vizwall-03]
wall=centervizwall
width=37
height=21
x=114
y=0

[vizwall-04]
wall=centervizwall
width=37
height=21
x=152
y=0

[vizwall-10]
wall=centervizwall
width=37
height=21
x=0
y=22

[vizwall-11]
wall=centervizwall
width=37
height=21
x=38
y=22

[vizwall-12]
wall=centervizwall
width=37
height=21
x=76
y=22

[vizwall-13]
wall=centervizwall
width=37
height=21
x=114
y=22

[vizwall-14]
wall=centervizwall
width=37
height=21
x=152
y=22

[vizwall-20]
wall=centervizwall
width=37
height=21
x=0
y=44

[vizwall-21]
wall=centervizwall
width=37
height=21
x=38
y=44

[vizwall-22]
wall=centervizwall
width=37
height=21
x=76
y=44

[vizwall-23]
wall=centervizwall
width=37
height=21
x=114
y=44

[vizwall-24]
wall=centervizwall
width=37
height=21
x=152
y=44