eclipse project template updates

-filter out new build_* directories
-add proper targets
-use uORB from posix_sitl_default

template_.project

@@ -24,9 +24,16 @@
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
 	</natures>
+	<linkedResources>
+		<link>
+			<name>uORB</name>
+			<type>2</type>
+			<locationURI>uORB_LOC</locationURI>
+		</link>
+	</linkedResources>
 	<filteredResources>
 		<filter>
-			<id>1438876028862</id>
+			<id>1457837186676</id>
 			<name></name>
 			<type>26</type>
 			<matcher>
@@ -34,5 +41,20 @@
 				<arguments>1.0-name-matches-false-false-.git</arguments>
 			</matcher>
 		</filter>
+		<filter>
+			<id>1457837186687</id>
+			<name></name>
+			<type>10</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.multiFilter</id>
+				<arguments>1.0-name-matches-true-false-build_*</arguments>
+			</matcher>
+		</filter>
 	</filteredResources>
+	<variableList>
+		<variable>
+			<name>uORB_LOC</name>
+			<value>$%7BPROJECT_LOC%7D/build_posix_sitl_default/src/modules/uORB/topics</value>
+		</variable>
+	</variableList>
 </projectDescription>