Rename master UFO files

Author: miguelsousa

RomanMasters/AdobeVFPrototype.designspace

@@ -15,13 +15,13 @@
         </rule>
     </rules>
     <sources>
-        <source familyname="Adobe VF Prototype" filename="master_0/font.ufo" name="Master_0.0" stylename="Master 0">
+        <source familyname="Adobe VF Prototype" filename="master_0/master.ufo" name="Master_0.0" stylename="Master 0">
             <location>
                 <dimension name="weight" xvalue="0" />
                 <dimension name="contrast" xvalue="0" />
             </location>
         </source>
-        <source familyname="Adobe VF Prototype" filename="master_1/font.ufo" name="Master_1.1" stylename="Default">
+        <source familyname="Adobe VF Prototype" filename="master_1/master.ufo" name="Master_1.1" stylename="Default">
             <lib copy="1" />
             <groups copy="1" />
             <info copy="1" />
@@ -30,25 +30,25 @@
                 <dimension name="contrast" xvalue="0" />
             </location>
         </source>
-        <source familyname="Adobe VF Prototype" filename="master_2/font.ufo" name="Master_2.2" stylename="Master 2">
+        <source familyname="Adobe VF Prototype" filename="master_2/master.ufo" name="Master_2.2" stylename="Master 2">
             <location>
                 <dimension name="weight" xvalue="1000" />
                 <dimension name="contrast" xvalue="0" />
             </location>
         </source>
-        <source familyname="Adobe VF Prototype" filename="master_3/font.ufo" name="Master_3.3" stylename="Master 3">
+        <source familyname="Adobe VF Prototype" filename="master_3/master.ufo" name="Master_3.3" stylename="Master 3">
             <location>
                 <dimension name="weight" xvalue="1000" />
                 <dimension name="contrast" xvalue="100" />
             </location>
         </source>
-        <source familyname="Adobe VF Prototype" filename="master_0/font.ufo" name="Master_0.4" stylename="Master 0">
+        <source familyname="Adobe VF Prototype" filename="master_0/master.ufo" name="Master_0.4" stylename="Master 0">
             <location>
                 <dimension name="weight" xvalue="0" />
                 <dimension name="contrast" xvalue="100" />
             </location>
         </source>
-        <source familyname="Adobe VF Prototype" filename="master_4/font.ufo" name="Master_4.5" stylename="Master 4">
+        <source familyname="Adobe VF Prototype" filename="master_4/master.ufo" name="Master_4.5" stylename="Master 4">
             <location>
                 <dimension name="weight" xvalue="368" />
                 <dimension name="contrast" xvalue="100" />