自定义AIR的安装路径，描述等相关参数
when a user installs an Adobe AIR application by setting the <installFolder> node in the AIR application’s descriptor XML file.
<installFolder>c:\airExample</installFolder>
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when installing an Adobe AIR application by setting the <description> node in the application’s XML installer file.
<description>The quick brown fox jumps over the lazy dog.</description>
you can install an Adobe AIR application into a specific directory in the Programs menu by setting the <programMenuFolder> node in the application’s XML installer file.
<programMenuFolder>AIRExamples.com</programMenuFolder>
