Doxygen tutorials: basic structure

doc/tutorials/introduction/ios_install/ios_install.markdown

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+Installation in iOS {#tutorial_ios_install}
+===================
+
+Required Packages
+-----------------
+
+-   CMake 2.8.8 or higher
+-   Xcode 4.2 or higher
+
+### Getting the Cutting-edge OpenCV from Git Repository
+
+Launch GIT client and clone OpenCV repository from [here](http://github.com/itseez/opencv)
+
+In MacOS it can be done using the following command in Terminal:
+@code{.bash}
+cd ~/<my_working _directory>
+git clone https://github.com/Itseez/opencv.git
+@endcode
+Building OpenCV from Source, using CMake and Command Line
+---------------------------------------------------------
+
+1.  Make symbolic link for Xcode to let OpenCV build scripts find the compiler, header files etc.
+    @code{.bash}
+    cd /
+    sudo ln -s /Applications/Xcode.app/Contents/Developer Developer
+    @endcode
+2.  Build OpenCV framework:
+    @code{.bash}
+    cd ~/<my_working_directory>
+    python opencv/platforms/ios/build_framework.py ios
+    @endcode
+If everything's fine, a few minutes later you will get
+\~/\<my_working_directory\>/ios/opencv2.framework. You can add this framework to your Xcode
+projects.
+
+Further Reading
+---------------
+
+You can find several OpenCV+iOS tutorials here @ref Table-Of-Content-iOS.
+