Update middleman-syntax and rouge, should fix #6

Gemfile.lock

@@ -68,9 +68,9 @@ GEM
       sprockets (~> 2.1)
       sprockets-helpers (~> 1.0.0)
       sprockets-sass (~> 1.0.0)
-    middleman-syntax (1.2.1)
-      middleman-core (~> 3.0)
-      rouge (~> 0.3.0)
+    middleman-syntax (2.0.0)
+      middleman-core (~> 3.2)
+      rouge (~> 1.0)
     multi_json (1.8.4)
     rack (1.5.2)
     rack-livereload (0.3.15)
@@ -83,8 +83,7 @@ GEM
       ffi (>= 0.5.0)
     rb-kqueue (0.2.0)
       ffi (>= 0.5.0)
-    rouge (0.3.10)
-      thor
+    rouge (1.3.2)
     ruby18_source_location (0.2)
     sass (3.2.13)
     sprockets (2.10.1)