Initial updates for Reader View.

toolkit/themes/shared/reader/RM-Content-Width-Minus-42x16.svg

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="42"
      height="16"
      viewBox="0 0 42 16"

toolkit/themes/shared/reader/RM-Content-Width-Plus-44x16.svg

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="44"
      height="16"
      viewBox="0 0 44 16"

toolkit/themes/shared/reader/RM-Line-Height-Minus-38x14.svg

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="38"
      height="14"
      viewBox="0 0 38 14"

toolkit/themes/shared/reader/RM-Line-Height-Plus-38x24.svg

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="38"
      height="24"
      viewBox="0 0 38 24"

toolkit/themes/shared/reader/RM-Type-Controls-Arrow.svg

@@ -2,7 +2,7 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
-  <polygon opacity="0.15"  points="16.583,0.015 16.569,0 4.583,12 16.569,24 16.583,23.985"/>
-  <polygon fill="#fbfbfb" points="16.575,1.021 16.561,1.008 5.583,12 16.577,23.008 16.591,22.994 "/>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 24">
+  <polygon points="16.58 0.01 16.57 0 4.58 12 16.57 24 16.58 23.98 16.58 0.01" fill="#b5b5b5"/>
+  <polyline points="16.63 1.51 6.08 12.01 16.63 22.5" fill="#fbfbfb"/>
 </svg>