Completely removed Qt3Support dependency

Cleaned up qmake project file
Compiles on Windows + many Windows specific improvements
Various small fixes

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@152 b624d157-de02-0410-bad0-e51aec6abb33

src/forms/AboutDlg.ui

@@ -65,7 +65,7 @@
    <item>
     <widget class="QTabWidget" name="tabWidget" >
      <property name="currentIndex" >
-      <number>3</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="tab" >
       <attribute name="title" >
@@ -184,9 +184,6 @@
              <property name="text" >
               <string>http://keepassx.sourceforge.net</string>
              </property>
-             <property name="buddy" >
-              <cstring></cstring>
-             </property>
             </widget>
            </item>
            <item>

src/forms/EditGroupDlg.ui

@@ -132,11 +132,11 @@
   </layout>
  </widget>
  <layoutdefault spacing="6" margin="11" />
- <pixmapfunction>qPixmapFromMimeSource</pixmapfunction>
  <tabstops>
   <tabstop>EditTitle</tabstop>
   <tabstop>ComboIconPicker</tabstop>
  </tabstops>
+ <includes/>
  <resources/>
  <connections/>
 </ui>

src/forms/SimplePasswordDlg.ui

@@ -125,7 +125,7 @@
   </layout>
  </widget>
  <layoutdefault spacing="6" margin="11" />
- <pixmapfunction>qPixmapFromMimeSource</pixmapfunction>
+ <includes/>
  <resources/>
  <connections/>
 </ui>