Added name annotation support for groups

c++/src/capnp/c++.capnp

@@ -25,4 +25,4 @@
 $namespace("capnp::annotations");
 
 annotation namespace(file): Text;
-annotation name(field, enumerant, struct, enum): Text;
+annotation name(field, enumerant, struct, enum, interface, method, param, group): Text;

c++/src/capnp/c++.capnp.c++

@@ -33,7 +33,7 @@ const ::capnp::_::RawSchema s_b9c6f99ebf805f2c = {
 static const ::capnp::_::AlignedData<19> b_f264a779fef191ce = {
   {   0,   0,   0,   0,   5,   0,   5,   0,
     206, 145, 241, 254, 121, 167, 100, 242,
-     20,   0,   0,   0,   5,   0, 126,   0,
+     20,   0,   0,   0,   5,   0, 188,   7,
     129,  78,  48, 184, 123, 125, 248, 189,
       0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,

c++/src/capnp/compiler/capnpc-c++.c++

@@ -1582,7 +1582,7 @@ private:
       for (auto field: proto.getStruct().getFields()) {
         if (field.isGroup()) {
           nestedTexts.add(makeNodeText(
-              namespace_, subScope, toTitleCase(field.getName()),
+              namespace_, subScope, toTitleCase(protoName(field)),
               schemaLoader.get(field.getGroup().getTypeId())));
         }
       }