Moving a bunch of css3 border-image and background-size

tests into their better and more appropriate
css-backgrounds-3 folder(s); their associated
reference files and support files should
have been moved or copied and appropriatedly
linked.

--HG--
rename : css21/background-size-cover-contain-001.xht => css-backgrounds-3/background-size/background-size-cover-contain-001.xht
rename : css21/background-size-cover-contain-002.xht => css-backgrounds-3/background-size/background-size-cover-contain-002.xht
rename : css21/support/200x200-red.png => css-backgrounds-3/background-size/support/200x200-red.png
rename : css21/support/50x50-green.png => css-backgrounds-3/background-size/support/50x50-green.png
rename : css21/border-image-017.xht => css-backgrounds-3/border-image-017.xht
rename : css21/border-image-018.xht => css-backgrounds-3/border-image-018.xht
rename : css21/border-image-019.xht => css-backgrounds-3/border-image-019.xht
rename : css21/border-image-020.xht => css-backgrounds-3/border-image-020.xht
rename : css21/border-image-slice-001.xht => css-backgrounds-3/border-image-slice-001.xht
rename : css21/border-image-slice-002.xht => css-backgrounds-3/border-image-slice-002.xht
rename : css21/border-image-slice-003.xht => css-backgrounds-3/border-image-slice-003.xht
rename : css21/support/outline-5px-10px-15px-20px-green.png => css-backgrounds-3/support/outline-5px-10px-15px-20px-green.png

css21/background-size-cover-contain-001.xht → css-backgrounds-3/background-size/background-size-cover-contain-001.xht

@@ -8,7 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
   <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-size" title="3.9. Sizing Images: the 'background-size' property" />
-  <link rel="match" href="reference/ref-filled-green-100px-square.xht" />
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
 
   <meta name="flags" content="image" />
   <meta name="assert" content="When 'background-size' is 'cover', then the background-image is scaled, while preserving its intrinsic aspect ratio (it is 1:1 in this test), to the smallest size such that both its width and its height can completely cover the background positioning area. When 'background-size' is 'contain', then the background-image is scaled, while preserving its intrinsic aspect ratio (it is 1:1 in this test), to the largest size such that both its width and its height can fit inside the background positioning area. In this test, the 2 background-images should be scaled to become 100px by 100px." />
@@ -22,10 +22,10 @@
   height: 150px;
   padding: 25px;
   width: 50px;
-  /* 
+  /*
   background positioning area is 100px wide by 200px tall.
-  The largest size that can fit inside it with a 1:1 ratio 
-  is 100px by 100px. So, the background image should be 
+  The largest size that can fit inside it with a 1:1 ratio
+  is 100px by 100px. So, the background image should be
   scaled to 100px by 100px.
   */
   }
@@ -41,11 +41,11 @@
   padding: 25px;
   position: relative;
   width: 50px;
-  
-  /* 
-  background positioning area to cover is 100px wide by 
-  50px tall. The smallest size that can completely cover 
-  it with a 1:1 ratio is 100px by 100px. So, the 
+
+  /*
+  background positioning area to cover is 100px wide by
+  50px tall. The smallest size that can completely cover
+  it with a 1:1 ratio is 100px by 100px. So, the
   background image should be scaled to 100px by 100px.
   */
   }

css21/background-size-cover-contain-002.xht → css-backgrounds-3/background-size/background-size-cover-contain-002.xht

@@ -8,7 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
   <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-size" title="3.9. Sizing Images: the 'background-size' property" />
-  <link rel="match" href="reference/ref-filled-green-100px-square.xht" />
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
 
   <meta name="flags" content="image" />
   <meta name="assert" content="When 'background-size' is 'cover', then the background-image is scaled, while preserving its intrinsic aspect ratio (it is 1:1 in this test), to the smallest size such that both its width and its height can completely cover the background positioning area. When 'background-size' is 'contain', then the background-image is scaled, while preserving its intrinsic aspect ratio (it is 1:1 in this test), to the largest size such that both its width and its height can fit inside the background positioning area. In this test, the 2 background-images should be scaled to become 100px by 100px." />
@@ -22,10 +22,10 @@
   height: 50px;
   padding: 25px;
   width: 150px;
-  /* 
+  /*
   background positioning area is 200px wide by 100px tall.
-  The largest size that can fit inside it with a 1:1 ratio 
-  is 100px by 100px. So, the background image should be 
+  The largest size that can fit inside it with a 1:1 ratio
+  is 100px by 100px. So, the background image should be
   scaled to 100px by 100px.
   */
   }
@@ -41,11 +41,11 @@
   padding: 25px;
   position: relative;
   width: 0px;
-  
-  /* 
-  background positioning area to cover is 50px wide by 
-  100px tall. The smallest size that can completely cover 
-  it with a 1:1 ratio is 100px by 100px. So, the 
+
+  /*
+  background positioning area to cover is 50px wide by
+  100px tall. The smallest size that can completely cover
+  it with a 1:1 ratio is 100px by 100px. So, the
   background image should be scaled to 100px by 100px.
   */
   }