Update progit.asc

Wlodek Bzyl · Wlodek Bzyl · commit cbccc353301c · 2015-04-10T16:08:05.000+02:00
Use callouts instead of text in progit.html
diff --git a/progit.asc b/progit.asc
@@ -5,6 +5,7 @@ Pro Git
 :toc:
 :toclevels: 2
 :front-cover-image: image:book/cover.png[width=1050,height=1600]
+:icons: font
 
 include::book/preface.asc[]
 
