Partial fix for ticket #146:

- set default of the signature checkbox in ConnectFriendWizard to disabled
- set the initial option for the download directory to network wide only
- set the default of a new shared directory to network wide


git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4578 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/ShareDialog.cpp

@@ -40,7 +40,9 @@ ShareDialog::ShareDialog(std::string filename, QWidget *parent, Qt::WFlags flags
 
     ui.okButton->setEnabled(false);
 
-    if (filename.empty() == false) {
+    if (filename.empty()) {
+        ui.networkwideCheckBox->setChecked(true);
+    } else {
         /* edit exisiting share */
         std::list<SharedDirInfo> dirs;
         rsFiles->getSharedDirectories(dirs);