Issue 984 - port referrer mapping from Android

libadblockplus.gyp

 {
   'conditions': [[
     # We don't want to use curl on Windows and Android, skip the check there
     'OS=="win" or OS=="android"',
     {
       'variables': {
         'have_curl': 0
       }
     },
     {
@@ skipping 16 matching lines @@
       'src/ConsoleJsObject.cpp',
       'src/DefaultLogSystem.cpp',
       'src/DefaultFileSystem.cpp',
       'src/FileSystemJsObject.cpp',
       'src/FilterEngine.cpp',
       'src/GlobalJsObject.cpp',
       'src/JsContext.cpp',
       'src/JsEngine.cpp',
       'src/JsError.cpp',
       'src/JsValue.cpp',
+      'src/ReferrerMapping.cpp',
       'src/Thread.cpp',
       'src/Utils.cpp',
       'src/WebRequestJsObject.cpp',
       '<(INTERMEDIATE_DIR)/adblockplus.js.cpp'
     ],
     'direct_dependent_settings': {
       'include_dirs': ['include']
     },
     'conditions': [
       ['OS=="android"', {
@@ skipping 101 matching lines @@
     'sources': [
       'test/AppInfoJsObject.cpp',
       'test/ConsoleJsObject.cpp',
       'test/DefaultFileSystem.cpp',
       'test/FileSystemJsObject.cpp',
       'test/FilterEngine.cpp',
       'test/GlobalJsObject.cpp',
       'test/JsEngine.cpp',
       'test/JsValue.cpp',
       'test/Prefs.cpp',
+      'test/ReferrerMapping.cpp',
       'test/Thread.cpp',
       'test/UpdateCheck.cpp',
       'test/WebRequest.cpp'
     ],
     'msvs_settings': {
       'VCLinkerTool': {
         'SubSystem': '1',   # Console
         'EntryPointSymbol': 'mainCRTStartup',
       },
     },
     'xcode_settings': {
       'OTHER_LDFLAGS': ['-stdlib=libstdc++'],
     },
   }]
 }