Made autologin optional at compile time

Autologin is disabled by default at compile time, and a warning to
discourage it's usage is printed if it is enabled.
This will make default RetroShare build safer and reduce dependencies as
example we don't depends anymore on gnome keyring is not needed in default
build for linux anymore.

retroshare-gui/src/gui/StartDialog.cpp

@@ -35,12 +35,17 @@ StartDialog::StartDialog(QWidget *parent)
 	/* Invoke Qt Designer generated QObject setup routine */
 	ui.setupUi(this);
 
+#ifdef RS_AUTOLOGIN
+	connect(ui.autologin_checkbox, SIGNAL(clicked()), this, SLOT(notSecureWarning()));
+#else
+	ui.autologin_checkbox->setHidden(true);
+#endif
+
 	Settings->loadWidgetInformation(this);
 
 	ui.loadButton->setFocus();
 
 	connect(ui.loadButton, SIGNAL(clicked()), this, SLOT(loadPerson()));
-	connect(ui.autologin_checkbox, SIGNAL(clicked()), this, SLOT(notSecureWarning()));
 
 	/* get all available pgp private certificates....
 	* mark last one as default.
@@ -115,6 +120,7 @@ bool StartDialog::requestedNewCert()
 	return reqNewCert;
 }
 
+#ifdef RS_AUTOLOGIN
 void StartDialog::notSecureWarning()
 {
 	/* some error msg */
@@ -130,3 +136,4 @@ void StartDialog::notSecureWarning()
 #endif
 #endif
 }
+#endif // RS_AUTOLOGIN

retroshare-gui/src/gui/StartDialog.h

@@ -40,10 +40,12 @@ protected:
 private slots:
 	void loadPerson();
 
+#ifdef RS_AUTOLOGIN
 	/**
 	 * Warns the user that autologin is not secure
 	 */
 	void notSecureWarning();
+#endif // RS_AUTOLOGIN
 
 	void on_labelProfile_linkActivated(QString link);
 

retroshare-gui/src/gui/StartDialog.ui

@@ -18,7 +18,16 @@
     <normaloff>:/images/logo/logo_32.png</normaloff>:/images/logo/logo_32.png</iconset>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout_2">
-   <property name="margin">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
     <number>0</number>
    </property>
    <item>
@@ -198,6 +207,12 @@
        <property name="enabled">
         <bool>true</bool>
        </property>
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="title">
         <string/>
        </property>

retroshare-gui/src/retroshare-gui.pro

@@ -70,7 +70,8 @@ INCLUDEPATH *= retroshare-gui
 ################################# Linux ##########################################
 # Put lib dir in QMAKE_LFLAGS so it appears before -L/usr/lib
 linux-* {
-	CONFIG += link_pkgconfig
+    CONFIG += link_pkgconfig
+
 	#CONFIG += version_detail_bash_script
 	QMAKE_CXXFLAGS *= -D_FILE_OFFSET_BITS=64
 
@@ -78,7 +79,6 @@ linux-* {
 
 	LIBS *= -rdynamic 
 	DEFINES *= HAVE_XSS # for idle time, libx screensaver extensions
-	DEFINES *= HAS_GNOME_KEYRING
 }
 
 unix {