Introduce featured items.

- Move RSSFetcher to CorePlugin
- Rename RSSFetcher to RssFetcher
- Make RssFetcher more generic, allow multiple sources to be fetched
- Introduce Featured Items on Getting Started page
- Introduce dummy entry for Mobile examples, needs implementation once they are ready

src/plugins/coreplugin/coreplugin.pro

@@ -107,7 +107,8 @@ SOURCES += mainwindow.cpp \
     ssh/sftpchannel.cpp \
     outputpanemanager.cpp \
     navigationsubwidget.cpp \
-    sidebarwidget.cpp
+    sidebarwidget.cpp \
+    rssfetcher.cpp
 
 HEADERS += mainwindow.h \
     editmode.h \
@@ -218,7 +219,8 @@ HEADERS += mainwindow.h \
     ssh/sftpchannel_p.h \
     outputpanemanager.h \
     navigationsubwidget.h \
-    sidebarwidget.h
+    sidebarwidget.h \
+    rssfetcher.h
 
 FORMS += dialogs/newdialog.ui \
     actionmanager/commandmappings.ui \