When scanning system drives for installed SDKs, default SDK version to 5.0 when no SDK version info is available; also updated SDK properties dialog to correctly display SDK version string.
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>com.nokia.carbide.search.system-feature</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
</buildSpec>
<natures>
</natures>
</projectDescription>