Fix some documentation URLs still using http:

Some URLs in the documentation were overlooked during the switch to
https: for the GLFW website.  This updates those and a few third-party
URLs.

README.md

@@ -14,18 +14,18 @@ GLFW natively supports Windows, macOS and Linux and other Unix-like systems.  On
 Linux both X11 and Wayland are supported.
 
 GLFW is licensed under the [zlib/libpng
-license](http://www.glfw.org/license.html).
+license](https://www.glfw.org/license.html).
 
-You can [download](http://www.glfw.org/download.html) the latest stable release
+You can [download](https://www.glfw.org/download.html) the latest stable release
 as source or Windows binaries, or fetch the `latest` branch from GitHub.  Each
 release starting with 3.0 also has a corresponding [annotated
 tag](https://github.com/glfw/glfw/releases) with source and binary archives.
 
-The [documentation](http://www.glfw.org/docs/latest/) is available online and is
+The [documentation](https://www.glfw.org/docs/latest/) is available online and is
 included in all source and binary archives.  See the [release
 notes](https://www.glfw.org/docs/latest/news.html) for new features, caveats and
 deprecations in the latest release.  For more details see the [version
-history](http://www.glfw.org/changelog.html).
+history](https://www.glfw.org/changelog.html).
 
 The `master` branch is the stable integration branch and _should_ always compile
 and run on all supported platforms, although details of newly added features may
@@ -34,9 +34,9 @@ fixes live in [other branches](https://github.com/glfw/glfw/branches/all) until
 they are stable enough to merge.
 
 If you are new to GLFW, you may find the
-[tutorial](http://www.glfw.org/docs/latest/quick.html) for GLFW 3 useful.  If
+[tutorial](https://www.glfw.org/docs/latest/quick.html) for GLFW 3 useful.  If
 you have used GLFW 2 in the past, there is a [transition
-guide](http://www.glfw.org/docs/latest/moving.html) for moving to the GLFW
+guide](https://www.glfw.org/docs/latest/moving.html) for moving to the GLFW
 3 API.
 
 
@@ -52,16 +52,16 @@ MinGW-w64, on macOS with Clang and on Linux and other Unix-like systems with GCC
 and Clang.  It will likely compile in other environments as well, but this is
 not regularly tested.
 
-There are [pre-compiled Windows binaries](http://www.glfw.org/download.html)
+There are [pre-compiled Windows binaries](https://www.glfw.org/download.html)
 available for all supported compilers.
 
-See the [compilation guide](http://www.glfw.org/docs/latest/compile.html) for
+See the [compilation guide](https://www.glfw.org/docs/latest/compile.html) for
 more information about how to compile GLFW yourself.
 
 
 ## Using GLFW
 
-See the [documentation](http://www.glfw.org/docs/latest/) for tutorials, guides
+See the [documentation](https://www.glfw.org/docs/latest/) for tutorials, guides
 and the API reference.
 
 
@@ -79,7 +79,7 @@ Unix-like systems running the X Window System are supported even without
 a desktop environment or modern extensions, although some features require
 a running window or clipboard manager.  The OSMesa backend requires Mesa 6.3.
 
-See the [compatibility guide](http://www.glfw.org/docs/latest/compat.html)
+See the [compatibility guide](https://www.glfw.org/docs/latest/compat.html)
 in the documentation for more information.
 
 
@@ -102,7 +102,7 @@ located in the `deps/` directory.
  - [Nuklear](https://github.com/Immediate-Mode-UI/Nuklear) for test and example UI
  - [stb\_image\_write](https://github.com/nothings/stb) for writing images to disk
 
-The documentation is generated with [Doxygen](http://doxygen.org/) if CMake can
+The documentation is generated with [Doxygen](https://doxygen.org/) if CMake can
 find that tool.
 
 
@@ -244,7 +244,7 @@ information on what to include when reporting a bug.
 
 ## Contact
 
-On [glfw.org](http://www.glfw.org/) you can find the latest version of GLFW, as
+On [glfw.org](https://www.glfw.org/) you can find the latest version of GLFW, as
 well as news, documentation and other information about the project.
 
 If you have questions related to the use of GLFW, we have a

docs/SUPPORT.md

@@ -1,6 +1,6 @@
 # Support resources
 
-See the [latest documentation](http://www.glfw.org/docs/latest/) for tutorials,
+See the [latest documentation](https://www.glfw.org/docs/latest/) for tutorials,
 guides and the API reference.
 
 If you have questions about using GLFW, we have a