ios: preliminary support for ios

first work in progress support for ios
* separate iosTool using xml communication used for device info and run
* iossim tool to handle the simulator
* debug prepared but not working
* separate gcc toolchain detection fix for simulator

1) add a QT built for ios
2) open a project, for example qtbase/examples/widgets/animation/animatedtiles/animatedtiles.pro
3) build/run...

Change-Id: I7e01604e416338cbe4692dfb34f5d3f31312702d
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/ios/iosdeploystepwidget.ui

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>IosDeployStepWidget</class>
+ <widget class="QWidget" name="IosDeployStepWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>479</width>
+    <height>76</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>