Fix SBSv2 SDK filtering.
(1) When only SBSv2 is available, assume all SDKs are SBSv2-capable.
(2) In the SBSv1+SBSv2 case, ensure the version check >= 8.3 is correct (it was disallowing anything with minor version < 3).
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry sourcepath="/com.nokia.sdt.utils/libs/rhino1_6R2/src" kind="lib" path="/com.nokia.sdt.utils/libs/rhino1_6R2/js.jar"/>
<classpathentry kind="output" path="bin"/>
</classpath>