Merge pull request opencv#20493 from abhi-bhatra:patch-1

Fix Broken Link

* Update README.md

Fix broken link

* Update Readme.txt

* Update readme.txt

Add missing link

* Update readme.txt

Fix names

Author: abhi-bhatra

Diff for: 3rdparty/readme.txt

@@ -31,7 +31,7 @@ libpng                Portable Network Graphics library.
 libtiff               Tag Image File Format (TIFF) Software
                       Copyright (c) 1988-1997 Sam Leffler
                       Copyright (c) 1991-1997 Silicon Graphics, Inc.
-                      See libtiff home page http://www.remotesensing.org/libtiff/
+                      See libtiff home page http://www.libtiff.org/
                       for details and links to the source code
 
                       WITH_TIFF CMake option must be ON to add libtiff & zlib support to imgcodecs.
@@ -51,7 +51,9 @@ jasper                JasPer is a collection of software
                       Copyright (c) 1999-2000 The University of British Columbia
                       Copyright (c) 2001-2003 Michael David Adams
 
-                      The JasPer license can be found in libjasper.
+                      See JasPer official GitHub repository
+                      https://github.com/jasper-software/jasper.git
+                      for details and links to source code
 ------------------------------------------------------------------------------------
 openexr               OpenEXR is a high dynamic-range (HDR) image file format developed
                       by Industrial Light & Magic for use in computer imaging applications.

Diff for: platforms/winrt/readme.txt

@@ -13,7 +13,7 @@ Install Visual Studio 2013 Community Edition
     http://go.microsoft.com/?linkid=9863608
 
 Install Visual Studio Express 2012 for Windows Desktop
-    http://www.microsoft.com/en-us/download/details.aspx?id=34673
+    https://devblogs.microsoft.com/visualstudio/visual-studio-express-2012-for-windows-desktop-is-here/
 
 
 
@@ -156,4 +156,4 @@ Manual build
 
   cmake -G "Visual Studio 12 2013 Win64" -DCMAKE_SYSTEM_NAME:String=WindowsStore -DCMAKE_SYSTEM_VERSION:String=8.1 -DCMAKE_VS_EFFECTIVE_PLATFORMS:String=x64 -DCMAKE_INSTALL_PREFIX:PATH=.\install\WS\8.1\x64\ ..
 
-Return to "Running tests for Windows Store", list item 4.
+Return to "Running tests for Windows Store", list item 4.