Refactor barstools for new versions of things.

- No handlebars (not being published for Scala 2.12)
- Update for new annotations APIs

Bump sbt-dependency-graph to 0.9.2 for this scala version

macros/src/main/scala/MacroCompiler.scala

@@ -752,7 +752,7 @@ object MacroCompiler extends App {
         // Note: the last macro in the input list is (seemingly arbitrarily)
         // determined as the firrtl "top-level module".
         val circuit = Circuit(NoInfo, macros, macros.last.name)
-        val annotations = AnnotationMap(
+        val annotations = AnnotationSeq(
           Seq(MacroCompilerAnnotation(
             circuit.main,
             MacroCompilerAnnotation.Params(
@@ -764,7 +764,7 @@ object MacroCompiler extends App {
             )
           ))
         )
-        val state = CircuitState(circuit, HighForm, Some(annotations))
+        val state = CircuitState(circuit, HighForm, annotations)
 
         // Run the compiler.
         val result = new MacroCompiler().compileAndEmit(state)