Banner fixes

etc/config/c++.amazon.properties

@@ -1,5 +1,7 @@
 compilers=gcc1204@20480:&gcc86:&icc:&clang:&cl:&cross:&ellcc
 defaultCompiler=g63
+textBanner=Compilation provided by Compiler Explorer at https://gcc.godbolt.org/
+
 ###############################
 # GCC for x86
 group.gcc86.compilers=g471:g472:g473:g474:g481:g482:g483:g484:g485:g490:g491:g492:g493:g494:g510:g520:g530:g540:g6:g62:g63:g7snapshot

etc/config/c++.danger.properties

@@ -1,5 +1,6 @@
 # Matt's home development computer
 defaultCompiler=g54
+textBanner=Testing the text banner
 compilers=g54:g47:g48:avr
 #compilers=localhost@20480
 compiler.g54.exe=/usr/bin/g++

etc/config/d.amazon.properties

@@ -1,4 +1,5 @@
 compilers=gdc48:gdc49:gdc52:&ldc
+textBanner=Compilation provided by Compiler Explorer at https://d.godbolt.org/
 defaultCompiler=gdc52
 # This is only due to limitations on the d.godbolt.org image for now.
 supportsBinary=false

etc/config/go.amazon.properties

@@ -1,4 +1,5 @@
 defaultCompiler=gccgo491
+textBanner=Compilation provided by Compiler Explorer at https://go.godbolt.org/
 compilers=gccgo491:6g141
 compileFilename=file.go
 compiler.gccgo491.exe=/usr/bin/gccgo

etc/config/rust.amazon.properties

@@ -1,4 +1,5 @@
 compilers=&rust
+textBanner=Compilation provided by Compiler Explorer at https://rust.godbolt.org/
 defaultCompiler=r1140
 group.rust.compilers=r1140:r1130:r1120:r1110:r1100:r190:r180:r170:r160:r150:r140:r130:r120:r110:r100:nightly:beta
 group.rust.compilerType=rust

lib/compile-handler.js

@@ -85,6 +85,7 @@ function CompileHandler(gccProps, compilerProps) {
             });
     };
     var proxy = httpProxy.createProxyServer({});
+    var textBanner = compilerProps('textBanner');
 
     this.handler = _.bind(function compile(req, res, next) {
         var source, options, filters, compiler;
@@ -149,7 +150,7 @@ function CompileHandler(gccProps, compilerProps) {
                 } else {
                     res.set('Content-Type', 'text/plain');
                     try {
-                        res.write("# Compilation provided by Compiler Explorer at " + req.get('Host') + "\n");
+                        if (!_.isEmpty(textBanner)) res.write('# ' + textBanner + "\n");
                         res.write(textify(result.asm));
                         if (result.code !== 0) res.write("\n# Compiler exited with result code " + result.code);
                         if (!_.isEmpty(result.stdout)) res.write("\nStandard out:\n" + textify(result.stdout));