update shell highlighting

colors/paper-custom.erb

@@ -481,10 +481,10 @@
           [ "Variable", "Function" ],
 
           # shell
-          [ "shDerefSimple",            "StorageClass" ],
-          [ "shHereDoc01",            "Special" ],
-          [ "shHereDoc02",            "shHereDoc01" ],
-          [ "shHereDoc05",            "shHereDoc01" ],
+          [ "shDerefSimple",        "Identifier" ],
+          [ "shHereDoc01",          "Special" ],
+          [ "shHereDoc02",          "shHereDoc01" ],
+          [ "shHereDoc05",          "shHereDoc01" ],
           [ "shHereDoc",            "Label" ],
 
 		  #various

colors/paper-custom.vim

@@ -325,7 +325,7 @@ if ($TERM =~ '256' || &t_Co >= 256) || has("gui_running")
     hi link netrwList String
     hi link netrwHidePat Identifier
     hi link Variable Function
-    hi link shDerefSimple StorageClass
+    hi link shDerefSimple Identifier
     hi link shHereDoc01 Special
     hi link shHereDoc02 shHereDoc01
     hi link shHereDoc05 shHereDoc01
@@ -646,7 +646,7 @@ elseif &t_Co == 8 || $TERM !~# '^linux' || &t_Co == 16
     hi link netrwList String
     hi link netrwHidePat Identifier
     hi link Variable Function
-    hi link shDerefSimple StorageClass
+    hi link shDerefSimple Identifier
     hi link shHereDoc01 Special
     hi link shHereDoc02 shHereDoc01
     hi link shHereDoc05 shHereDoc01

spell/en.utf-8.add

@@ -134,3 +134,4 @@ Cheatsheet
 WPMain
 submodule
 submodules
+Luminate