update links

examples/SignupForm.elm

@@ -79,4 +79,4 @@ main =
         , subscriptions = \_ -> Sub.none
         }
 
--- see: http://tech.noredink.com/post/129641182738/building-a-live-validated-signup-form-in-elm
+-- see: https://tech.noredink.com/post/129641182738/building-a-live-validated-signup-form-in-elm

examples/binary_tree.elm

@@ -131,7 +131,7 @@ Exercises:
 
 (7) Try experimenting with different ways to traverse a
     tree: pre-order, in-order, post-order, depth-first, etc.
-    More info at: http://en.wikipedia.org/wiki/Tree_traversal
+    More info at: https://en.wikipedia.org/wiki/Tree_traversal
 
 -----------------------------------------------------------------}
 

examples/fizzBuzz/src/FizzBuzz.elm

@@ -6,7 +6,7 @@ module FizzBuzz exposing (..)
 
 -- Import Html module exposing to this context all functions inside that module
 -- this means, we can call its functions without having to prepend the name of the module
--- so we can call [text](http://package.elm-lang.org/packages/elm-lang/html/2.0.0/Html#text)
+-- so we can call [text](https://package.elm-lang.org/packages/elm-lang/html/2.0.0/Html#text)
 -- just using the name function 'text' instead of 'Html.text'
 
 import Html exposing (..)

examples/form_extended.elm

@@ -1,5 +1,5 @@
 -- Implementation of the Exercises for the Forms section of the Elm Architecture Tutotial
--- http://guide.elm-lang.org/architecture/user_input/forms.html
+-- https://guide.elm-lang.org/architecture/user_input/forms.html
 -- Elm Version 0.18
 
 
@@ -13,7 +13,7 @@ import Html.Events exposing (onClick, onInput)
 import String
 
 
--- see: http://package.elm-lang.org/packages/elm-lang/core/latest/Char
+-- see: https://package.elm-lang.org/packages/elm-lang/core/latest/Char
 
 
 main =

tutorials/elm-ui/README.md

@@ -644,7 +644,7 @@ returns this mess as the top result:
 In reality, CSS _can_ be learned/mastered reasonably quickly
 and _amazing_ things can be crafted. <br />
 e.g:
-http://www.csszengarden.com and https://www.cssdesignawards.com or
+https://www.csszengarden.com and https://www.cssdesignawards.com or
 CSS Super Powers: https://youtu.be/mNKz3devFAw and _drawing_ in CSS:
 https://medium.com/coding-artist/a-beginners-guide-to-pure-css-images-ef9a5d069dd2