Move xxd.pl script to core/scripts as its used by other core components like XMLTreeViewer

LayoutTests/inspector/resources/blink-fs.js

 function blinkFilePaths()
 {
     var paths = [
         "./Source/core/inspector",
         "./Source/core/inspector/BindingVisitors.h",
         "./Source/core/inspector/CodeGeneratorInspector.py",
         "./Source/core/inspector/CodeGeneratorInspectorStrings.py",
         "./Source/core/inspector/CodeGeneratorInspectorStrings.pyc",
         "./Source/core/inspector/CodeGeneratorInstrumentation.py",
         "./Source/core/inspector/ConsoleAPITypes.h",
@@ skipping 142 matching lines @@
         "./Source/core/inspector/WorkerConsoleAgent.h",
         "./Source/core/inspector/WorkerDebuggerAgent.cpp",
         "./Source/core/inspector/WorkerDebuggerAgent.h",
         "./Source/core/inspector/WorkerInspectorController.cpp",
         "./Source/core/inspector/WorkerInspectorController.h",
         "./Source/core/inspector/WorkerRuntimeAgent.cpp",
         "./Source/core/inspector/WorkerRuntimeAgent.h",
         "./Source/core/inspector/combine-javascript-resources.pl",
         "./Source/core/inspector/generate-inspector-protocol-version",
         "./Source/core/inspector/inline-javascript-imports.py",
-        "./Source/core/inspector/xxd.pl",

[pfeldman, 2013/08/29 11:21:35]

This is just a test data, no need to touch it.

         "./Source/devtools",
         "./Source/devtools/Inspector-0.1.json",
         "./Source/devtools/Inspector-1.0.json",
         "./Source/devtools/OWNERS",
         "./Source/devtools/devtools.gyp",
         "./Source/devtools/front_end",
         "./Source/devtools/front_end/AdvancedSearchController.js",
         "./Source/devtools/front_end/ApplicationCacheItemsView.js",
         "./Source/devtools/front_end/ApplicationCacheModel.js",
         "./Source/devtools/front_end/AuditCategories.js",
@@ skipping 411 matching lines @@
         "./Source/devtools/scripts/generate_devtools_grd.py",
         "./Source/devtools/scripts/generate_devtools_html.py",
         "./Source/devtools/scripts/generate_protocol_externs.py",
         "./Source/devtools/scripts/generate_protocol_externs.pyc",
         "./Source/devtools/scripts/inline_js_imports.py",
         "./Source/devtools/scripts/jsmin.py",
         "./Source/devtools/scripts/jsmin.pyc"
     ];
     return paths.join(":");
 }