diff: fix capitalisation

platform/diff-impl/src/com/intellij/diff/tools/ErrorDiffTool.java

@@ -44,7 +44,7 @@ public class ErrorDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Error Viewer";
+    return "Error viewer";
   }
 
   private static class MyViewer implements DiffViewer {

platform/diff-impl/src/com/intellij/diff/tools/binary/BinaryDiffTool.java

@@ -37,6 +37,6 @@ public class BinaryDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Binary File Viewer";
+    return "Binary file viewer";
   }
 }

platform/diff-impl/src/com/intellij/diff/tools/dir/DirDiffTool.java

@@ -38,6 +38,6 @@ public class DirDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Directory Viewer";
+    return "Directory viewer";
   }
 }

platform/diff-impl/src/com/intellij/diff/tools/fragmented/OnesideDiffTool.java

@@ -37,6 +37,6 @@ public class OnesideDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Oneside Viewer";
+    return "Oneside viewer";
   }
 }

platform/diff-impl/src/com/intellij/diff/tools/simple/SimpleDiffTool.java

@@ -38,6 +38,6 @@ public class SimpleDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Default Viewer";
+    return "Default viewer";
   }
 }

plugins/svn4idea/src/org/jetbrains/idea/svn/difftool/SvnPhantomChangeDiffRequestProvider.java

@@ -57,7 +57,7 @@ public class SvnPhantomChangeDiffRequestProvider implements ChangeDiffRequestPro
     @NotNull
     @Override
     public String getName() {
-      return "SVN Phantom Changes Viewer";
+      return "SVN phantom changes viewer";
     }
 
     @Override

plugins/svn4idea/src/org/jetbrains/idea/svn/difftool/SvnTreeConflictDiffRequestProvider.java

@@ -73,7 +73,7 @@ public class SvnTreeConflictDiffRequestProvider implements ChangeDiffRequestProv
     @NotNull
     @Override
     public String getName() {
-      return "SVN Phantom Changes Viewer";
+      return "SVN tree conflict viewer";
     }
 
     @Override

plugins/svn4idea/src/org/jetbrains/idea/svn/difftool/properties/SvnPropertiesDiffTool.java

@@ -9,7 +9,7 @@ public class SvnPropertiesDiffTool implements FrameDiffTool {
   @NotNull
   @Override
   public String getName() {
-    return "Svn Properties Viewer";
+    return "SVN properties viewer";
   }
 
   @Override