More portability fixes for Linux.
-- make EpocEnginePathHelper et al produce an IPath that matches an existing path in the filesystem even if the case doesn't match. File#getCanonical* does not do this in Unix.
-- SISBuilderInfo2 and bld.inf exports fixes for full path detection
-- make some tests less dependent on having specific SDKs available.
-- fix some warnings
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
<classpathentry kind="output" path="bin"/>
</classpath>