Fix problem with sbs config xml parsing. Make sure to trim error message to avoid erroneously adding an error when there is none. Fix problem with adding system includes for variants.
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<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">
<attributes>
<attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="com.nokia.carbide.trk.support/Native/GetTRKVersion/Release"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="src"/>
<classpathentry exported="true" kind="lib" path="lib/commons-httpclient-3.1.jar" sourcepath="com.nokia.carbide.trk.supportsrc.zip"/>
<classpathentry exported="true" kind="lib" path="lib/commons-codec-1.3.jar" sourcepath="com.nokia.carbide.trk.supportsrc.zip"/>
<classpathentry exported="true" kind="lib" path="lib/commons-logging-1.1.jar" sourcepath="com.nokia.carbide.trk.supportsrc.zip"/>
<classpathentry kind="output" path="bin"/>
</classpath>