ProjectExplorer: Move icons from Core to ProjectExplorer

These images were used exclusively in the ProjectExplorer
plugin, thus belong into ProjectExplorer resources.

Change-Id: Icb7dc881e24e4959952696af60f014446893f385
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/coreplugin/fancyactionbar.qrc

@@ -3,8 +3,6 @@
         <file>images/mode_Edit.png</file>
         <file>images/mode_Edit@2x.png</file>
         <file>images/mode_Output.png</file>
-        <file>images/mode_Project.png</file>
-        <file>images/mode_Project@2x.png</file>
         <file>images/mode_Reference.png</file>
         <file>images/mode_Reference@2x.png</file>
         <file>images/mode_Design.png</file>

src/plugins/projectexplorer/projectexplorer.cpp

@@ -275,7 +275,7 @@ public:
         setWidget(proWindow);
         setContext(Context(Constants::C_PROJECTEXPLORER));
         setDisplayName(QCoreApplication::translate("ProjectExplorer::ProjectsMode", "Projects"));
-        setIcon(QIcon(QLatin1String(":/fancyactionbar/images/mode_Project.png")));
+        setIcon(QIcon(QLatin1String(":/projectexplorer/images/mode_project.png")));
         setPriority(Constants::P_MODE_SESSION);
         setId(Constants::MODE_SESSION);
         setContextHelpId(QLatin1String("Managing Projects"));

src/plugins/projectexplorer/projectexplorer.qrc

@@ -7,6 +7,8 @@
         <file>images/debugger_start.png</file>
         <file>images/debugger_start@2x.png</file>
         <file>images/debugger_start_small.png</file>
+        <file>images/mode_project.png</file>
+        <file>images/mode_project@2x.png</file>
         <file>images/projectexplorer.png</file>
         <file>images/rebuild.png</file>
         <file>images/rebuild_small.png</file>