Code model: Update on changes from the versioning system.

Add changed signals to IVersionControl and
VCSManager and wire them to the update methods. Add a menu action for
manually updating. Improved version of reverted
7aa2411693.

Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>

src/plugins/coreplugin/vcsmanager.cpp

@@ -57,7 +57,8 @@ struct VCSManagerPrivate {
     QMap<QString, IVersionControl *> m_cachedMatches;
 };
 
-VCSManager::VCSManager() :
+VCSManager::VCSManager(QObject *parent) :
+   QObject(parent),
    m_d(new VCSManagerPrivate)
 {
 }
@@ -67,6 +68,17 @@ VCSManager::~VCSManager()
     delete m_d;
 }
 
+void VCSManager::extensionsInitialized()
+{
+    // Change signal connections
+    foreach (IVersionControl *versionControl, allVersionControls()) {
+        connect(versionControl, SIGNAL(filesChanged(QStringList)),
+                this, SIGNAL(filesChanged(QStringList)));
+        connect(versionControl, SIGNAL(repositoryChanged(QString)),
+                this, SIGNAL(repositoryChanged(QString)));
+    }
+}
+
 void VCSManager::setVCSEnabled(const QString &directory)
 {
     if (debug)