Another round of optimizations from Alec. Switching the header merger to

an IdentityHashMap provides another 10x+ performance boost over his previous
optimization for us.


git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@3616 348d0f76-0448-11de-a6fe-93d51630548a

settings/repository/edu.mit.broad/picard-private-parts-1445.xml

@@ -1,3 +1,3 @@
 <ivy-module version="1.0">
-    <info organisation="edu.mit.broad" module="picard-private-parts" revision="1443" status="integration" publication="20100622171000" />
+    <info organisation="edu.mit.broad" module="picard-private-parts" revision="1445" status="integration" publication="20100623100200" />
 </ivy-module>

settings/repository/net.sf/picard-1.24.467.xml

@@ -1,3 +1,3 @@
 <ivy-module version="1.0">
-    <info organisation="net.sf" module="picard" revision="1.24.465" status="release" />
+    <info organisation="net.sf" module="picard" revision="1.24.467" status="release" />
 </ivy-module>

settings/repository/net.sf/sam-1.24.465.xml

@@ -1,3 +0,0 @@
-<ivy-module version="1.0">
-    <info organisation="net.sf" module="sam" revision="1.24.465" status="release" />
-</ivy-module>

settings/repository/net.sf/sam-1.24.467.xml

@@ -0,0 +1,3 @@
+<ivy-module version="1.0">
+    <info organisation="net.sf" module="sam" revision="1.24.467" status="release" />
+</ivy-module>