Slight change to the ugly dark yellow collor, and Makefile is now identified as a makefile on OS X.

src/files.h

@@ -198,7 +198,7 @@ const std::string juci_dark_style =
 "  <color name=\"green\"                       value=\"#779955\"/>\n"
 "  <color name=\"blue\"                        value=\"#8888FF\"/>\n"
 "  <color name=\"dark-blue\"                   value=\"#6666CC\"/>\n"
-"  <color name=\"yellow\"                      value=\"#666600\"/>\n"
+"  <color name=\"yellow\"                      value=\"#444433\"/>\n"
 "  <color name=\"orange\"                      value=\"#FF8800\"/>\n"
 "  <color name=\"purple\"                      value=\"#DD88DD\"/>\n"
 "\n"

src/source.cc

@@ -26,9 +26,10 @@ Glib::RefPtr<Gsv::Language> Source::guess_language(const boost::filesystem::path
   auto language=language_manager->guess_language(file_path.string(), content_type);
   if(!language) {
     auto filename=file_path.filename().string();
-    auto extension=file_path.extension();
     if(filename=="CMakeLists.txt")
       language=language_manager->get_language("cmake");
+    else if(filename=="Makefile")
+      language=language_manager->get_language("makefile");
   }
   return language;
 }