Javadoc and build file fixes for extensions.

git-svn-id: https://google-guice.googlecode.com/svn/trunk@392 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/build.properties b/build.properties
index d5e9dc7..c8abe92 100644
--- a/build.properties
+++ b/build.properties
@@ -3,9 +3,12 @@
 test.dir=test
 servlet.src.dir=servlet/src
 spring.src.dir=spring/src
+assistedinject.src.dir=extensions/assistedinject/src
+throwingproviders.src.dir=extensions/throwingproviders/src
 build.dir=build
 javadoc.packagenames=com.google.inject,com.google.inject.spi,\
   com.google.inject.matcher,com.google.inject.servlet,com.google.inject.name,\
   com.google.inject.tools.jmx,com.google.inject.binder,com.google.inject.jndi,\
-  com.google.inject.spring
+  com.google.inject.spring,com.google.inject.assistedinject,\
+  com.google.inject.throwingproviders
 test.class=com.google.inject.AllTests