Add resolve callout rule support to YAML parser

The callout to resolve is specified in the YAML.

Change-Id: If613fae1959c6a54279b2a50c7d858f3e7d831b9
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/src/templates/resolve_errors.mako.cpp b/src/templates/resolve_errors.mako.cpp
new file mode 100644
index 0000000..8b49031
--- /dev/null
+++ b/src/templates/resolve_errors.mako.cpp
@@ -0,0 +1 @@
+std::make_unique<ResolveCallout>("${c.callout}")\