Update Templates to the YAML Format

templates/build-ant

@@ -1,7 +1,8 @@
-Build:1.0,1
-    commit=v1.0
+Builds:
+  - versionName: 1.0
+    commit: v1.0
 
-As with all build methods, use subdir=app if the app resides under a
-subdirectory called "app".
-
-Use target=android-X if no target is defined in project.properties.
+# As with all build methods, use `subdir: app` if the app resides under a
+# subdirectory called "app".
+#
+# Use `target: android-X` if no target is defined in project.properties.

templates/build-gradle

@@ -1,9 +1,14 @@
-Build:1.0,1
-    commit=v1.0
-    gradle=yes
+Builds:
+  - versionName: 1.0
+    commit: v1.0
+    gradle:
+      - yes
 
-As with all build methods, use subdir=app if the app resides under a
-subdirectory called "app".
-
-You must use gradle=flavourName to build a specific flavour if the app has
-multiple flavours.
+# As with all build methods, use `subdir: app` if the app resides under a
+# subdirectory called "app".
+#
+# You must use
+#     gradle:
+#      - flavour
+#      - name
+# to build a specific flavour if the app has multiple flavours.

templates/build-maven

@@ -1,6 +1,7 @@
-Build:1.0,1
-    commit=v1.0
-    maven=yes
+Builds:
+  - versionName: 1.0
+    commit: v1.0
+    maven: 'yes'
 
-As with all build methods, use subdir=app if the app resides under a
-subdirectory called "app".
+# As with all build methods, use `subdir: app` if the app resides under a
+# subdirectory called "app".