changing to use usr/bin/env python

IHaskell/IPython.hs

@@ -224,7 +224,7 @@ buildIPython = do
   -- things up, at least on Mac OS X.
   ipyDir <- ipythonDir
   let patchLines =
-        [ "#!/usr/bin/python"
+        [ "#!/usr/bin/env python"
         , "import sys"
         , "sys.path = [\"" ++ fpToText ipyDir ++
          "/lib/python2.7/site-packages\"] + sys.path"]

profile/static/custom/conceal/conceal.js

@@ -19,6 +19,8 @@ var concealExtension = (function() {
         "=>": "⇒",
         ">>=": ">>=",
         "forall": "∀",
+        "<=": "≤",
+        ">=": "≥",
     };
 
     // Concealable infix elements