Migrate all examples to use tweaked.cc

Might as well, I've got the server capacity to spare. Hopefully.

doc/events/http_failure.md

@@ -16,7 +16,7 @@ This event is normally handled inside @{http.get} and @{http.post}, but it can s
 ## Example
 Prints an error why the website cannot be contacted:
 ```lua
-local myURL = "http://this.website.does.not.exist"
+local myURL = "https://does.not.exist.tweaked.cc"
 http.request(myURL)
 local event, url, err
 repeat

doc/events/websocket_closed.md

@@ -11,7 +11,7 @@ The @{websocket_closed} event is fired when an open WebSocket connection is clos
 ## Example
 Prints a message when a WebSocket is closed (this may take a minute):
 ```lua
-local myURL = "ws://echo.websocket.org"
+local myURL = "wss://example.tweaked.cc/echo"
 local ws = http.websocket(myURL)
 local event, url
 repeat

doc/events/websocket_failure.md

@@ -15,7 +15,7 @@ This event is normally handled inside @{http.websocket}, but it can still be see
 ## Example
 Prints an error why the website cannot be contacted:
 ```lua
-local myURL = "ws://this.website.does.not.exist"
+local myURL = "wss://example.tweaked.cc/not-a-websocket"
 http.websocketAsync(myURL)
 local event, url, err
 repeat

doc/events/websocket_message.md

@@ -14,7 +14,7 @@ This event is normally handled by @{http.Websocket.receive}, but it can also be
 ## Example
 Prints a message sent by a WebSocket:
 ```lua
-local myURL = "ws://echo.websocket.org"
+local myURL = "wss://example.tweaked.cc/echo"
 local ws = http.websocket(myURL)
 ws.send("Hello!")
 local event, url, message

doc/events/websocket_success.md

@@ -15,7 +15,7 @@ This event is normally handled inside @{http.websocket}, but it can still be see
 ## Example
 Prints the content of a website (this may fail if the request fails):
 ```lua
-local myURL = "ws://echo.websocket.org"
+local myURL = "wss://example.tweaked.cc/echo"
 http.websocketAsync(myURL)
 local event, url, handle
 repeat

doc/stub/http.lua

@@ -58,10 +58,10 @@ function request(...) end
 -- @treturn string A message detailing why the request failed.
 -- @treturn Response|nil The failing http response, if available.
 --
--- @usage Make a request to [example.computercraft.cc](https://example.computercraft.cc),
+-- @usage Make a request to [example.tweaked.cc](https://example.tweaked.cc),
 -- and print the returned page.
 -- ```lua
--- local request = http.get("https://example.computercraft.cc")
+-- local request = http.get("https://example.tweaked.cc")
 -- print(request.readAll())
 -- -- => HTTP is working!
 -- request.close()
@@ -123,7 +123,7 @@ function checkURLAsync(url) end
 --
 -- @usage
 -- ```lua
--- print(http.checkURL("https://example.computercraft.cc/"))
+-- print(http.checkURL("https://example.tweaked.cc/"))
 -- -- => true
 -- print(http.checkURL("http://localhost/"))
 -- -- => false Domain not permitted

src/main/java/dan200/computercraft/core/apis/http/request/HttpResponseHandle.java

@@ -58,10 +58,10 @@ public class HttpResponseHandle implements ObjectSource
      * If multiple headers are sent with the same name, they will be combined with a comma.
      *
      * @return The response's headers.
-     * @cc.usage Make a request to [example.computercraft.cc](https://example.computercraft.cc), and print the
+     * @cc.usage Make a request to [example.tweaked.cc](https://example.tweaked.cc), and print the
      * returned headers.
      * <pre>{@code
-     * local request = http.get("https://example.computercraft.cc")
+     * local request = http.get("https://example.tweaked.cc")
      * print(textutils.serialize(request.getResponseHeaders()))
      * -- => {
      * --  [ "Content-Type" ] = "text/plain; charset=utf8",

src/main/resources/data/computercraft/lua/rom/motd.txt

@@ -1,5 +1,5 @@
 Please report bugs at https://github.com/SquidDev-CC/CC-Tweaked. Thanks!
-View the documentation at https://wiki.computercraft.cc
+View the documentation at https://tweaked.cc
 Show off your programs or ask for help at our forum: https://forums.computercraft.cc
 You can disable these messages by running "set motd.enable false".
 Use "pastebin put" to upload a program to pastebin.