VcsManager: Add method to get additionalToolsPaths from all IVcsControls

Change-Id: I87910a5a3ccc8e9e00d1b9081ea860832b9fe576
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/coreplugin/vcsmanager.h

@@ -90,6 +90,12 @@ public:
     static QString msgAddToVcsFailedTitle();
     static QString msgToAddToVcsFailed(const QStringList &files, const IVersionControl *vc);
 
+    /*!
+     * Return a list of paths where tools that came with the VCS may be installed.
+     * This is helpful on windows where e.g. git comes with a lot of nice unix tools.
+     */
+    static QStringList additionalToolsPath();
+
 signals:
     void repositoryChanged(const QString &repository);
 
@@ -98,6 +104,7 @@ public slots:
 
 private slots:
     static void configureVcs();
+    void handleConfigurationChanges();
 
 private:
     explicit VcsManager(QObject *parent = 0);