Hint the OS to not show [?] in Wizards and Dialogs

Fixes #1156

src/mirall/folderwizard.cpp

@@ -369,6 +369,7 @@ FolderWizard::FolderWizard( QWidget *parent )
     _folderWizardSourcePage(new FolderWizardSourcePage),
     _folderWizardTargetPage(0)
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     setPage(Page_Source, _folderWizardSourcePage );
     if (!Theme::instance()->singleSyncFolder()) {
         _folderWizardTargetPage = new FolderWizardTargetPage();

src/mirall/ignorelisteditor.cpp

@@ -29,6 +29,7 @@ IgnoreListEditor::IgnoreListEditor(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::IgnoreListEditor)
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     ui->setupUi(this);
 
     ui->descriptionLabel->setText(tr("Files or directories matching a pattern will not be synchronized.\n\n"

src/mirall/logbrowser.cpp

@@ -54,6 +54,7 @@ LogBrowser::LogBrowser(QWidget *parent) :
     QDialog(parent),
     _logWidget( new LogWidget(parent) )
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     setObjectName("LogBrowser"); // for save/restoreGeometry()
     setWindowTitle(tr("Log Output"));
     setMinimumWidth(600);

src/mirall/settingsdialog.cpp

@@ -44,6 +44,7 @@ SettingsDialog::SettingsDialog(ownCloudGui *gui, QWidget *parent) :
     QDialog(parent),
     _ui(new Ui::SettingsDialog)
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     _ui->setupUi(this);
     setObjectName("Settings"); // required as group for saveGeometry call
 

src/mirall/sslerrordialog.cpp

@@ -60,6 +60,7 @@ bool SslDialogErrorHandler::handleErrors(QList<QSslError> errors, QList<QSslCert
 SslErrorDialog::SslErrorDialog(Account *account, QWidget *parent) :
     QDialog(parent), _allTrusted(false), _ui(new Ui::SslErrorDialog), _account(account)
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     _ui->setupUi( this );
     setWindowTitle( tr("SSL Connection") );
     QPushButton *okButton =

src/mirall/updatedetector.cpp

@@ -131,6 +131,7 @@ void UpdateDetector::showDialog()
     hlayout->addWidget(lbl);
 
     QDialogButtonBox *bb = new QDialogButtonBox;
+    bb->setWindowFlags(bb->windowFlags() & ~Qt::WindowContextHelpButtonHint);
     QPushButton *skip = bb->addButton(tr("Skip update"), QDialogButtonBox::ResetRole);
     QPushButton *reject = bb->addButton(tr("Skip this time"), QDialogButtonBox::AcceptRole);
     QPushButton  *getupdate = bb->addButton(tr("Get update"), QDialogButtonBox::AcceptRole);

src/wizard/owncloudwizard.cpp

@@ -47,6 +47,7 @@ OwncloudWizard::OwncloudWizard(QWidget *parent)
       _setupLog(),
       _configExists(false)
 {
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     setPage(WizardCommon::Page_ServerSetup, _setupPage);
     setPage(WizardCommon::Page_HttpCreds, _httpCredsPage);
     setPage(WizardCommon::Page_ShibbolethCreds, _shibbolethCredsPage);