CppTools: Move setting category icon from Core to CppTools

This image is used exclusively in the CppTools plugin,
thus belong into CppTools resources.

Change-Id: I8bbc553fb16897b74487ad27a941776b83f14d77
Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>

src/plugins/coreplugin/core.qrc

@@ -71,7 +71,6 @@
         <file>images/arrowup@2x.png</file>
         <file>images/category_locator.png</file>
         <file>images/category_cpaster.png</file>
-        <file>images/category_cpp.png</file>
         <file>images/filtericon.png</file>
         <file>images/filtericon@2x.png</file>
         <file>images/category_buildrun.png</file>

src/plugins/cpptools/cpptools.pro

@@ -138,3 +138,6 @@ equals(TEST, 1) {
 
     DEFINES += SRCDIR=\\\"$$PWD\\\"
 }
+
+RESOURCES += \
+    cpptools.qrc

src/plugins/cpptools/cpptools.qbs

@@ -61,6 +61,7 @@ QtcPlugin {
         "cpprefactoringchanges.cpp", "cpprefactoringchanges.h",
         "cppsemanticinfo.cpp", "cppsemanticinfo.h",
         "cppsnapshotupdater.cpp", "cppsnapshotupdater.h",
+        "cpptools.qrc",
         "cpptools_global.h",
         "cpptoolsconstants.h",
         "cpptoolseditorsupport.cpp", "cpptoolseditorsupport.h",

src/plugins/cpptools/cpptools.qrc

+<RCC>
+    <qresource prefix="/cpptools">
+        <file>images/category_cpp.png</file>
+    </qresource>
+</RCC>

src/plugins/cpptools/cpptoolsconstants.h

@@ -62,7 +62,7 @@ const char CPP_CODE_MODEL_SETTINGS_ID[] = "C.Code Model";
 const char CPP_CODE_MODEL_SETTINGS_NAME[] = QT_TRANSLATE_NOOP("CppTools", "Code Model");
 const char CPP_SETTINGS_CATEGORY[] = "I.C++";
 const char CPP_SETTINGS_TR_CATEGORY[] = QT_TRANSLATE_NOOP("CppTools", "C++");
-const char SETTINGS_CATEGORY_CPP_ICON[] = ":/core/images/category_cpp.png";
+const char SETTINGS_CATEGORY_CPP_ICON[] = ":/cpptools/images/category_cpp.png";
 
 const char CPP_SETTINGS_ID[] = "Cpp";
 const char CPP_SETTINGS_NAME[] = QT_TRANSLATE_NOOP("CppTools", "C++");