build ivy plugin via sigil vs bnd FELIX-1444
* add resolver dependencies to sigil-defaults
* add ant lib to sigil-repos
* set up sigil and ivy files
* set up ivy/ intermediate build files
* retrieve built ivy plugin jar in top level site target
* tidy up unused targets from build.xml


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@800457 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/sigil/ivy/resolver/.project b/sigil/ivy/resolver/.project
index c259c9d..b6ab63d 100644
--- a/sigil/ivy/resolver/.project
+++ b/sigil/ivy/resolver/.project
@@ -10,8 +10,14 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.cauldron.sigil.core.newtonBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.cauldron.sigil.core.newtonnature</nature>
 	</natures>
 </projectDescription>