Ensure uid3 is lowercase in templates.
Also fix some bugs related to validating UID3. If the user enters a non-0x prefixed string, this is not always detected, and a UID3 range check warning indicates a different string was parsed (dropping the first two chars as if 0x was there).
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>com.nokia.carbide.cpp.uiq.ui-feature</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.pde.FeatureBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.pde.FeatureNature</nature>
</natures>
</projectDescription>