Update ICU to 58.1

scripts/update.sh

Index: scripts/update.sh
diff --git a/scripts/update.sh b/scripts/update.sh
index 576d0b0b7767f57dd890b04d732a82fd39569634..cd44b0753e0bfa2286749b40b00a7cc2ff6956e9 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -22,7 +22,7 @@ svn ls "${repo}" > /dev/null 2>&1  || \
     { echo "${repo} does not exist." >&2; exit 2; }
 
 echo "Cleaning up source/ ..."
-for file in source license.html readme.html APIChangeReport.html
+for file in source LICENSE license.html readme.html APIChangeReport.html
 do
   rm -rf "${treeroot}/${file}"
 done
@@ -34,7 +34,7 @@ do
 done
 
 echo "deleting directories we don't care about ..."
-for d in layout layoutex data/xml
+for d in layoutex data/xml
 do
   rm -rf "${treeroot}/source/${d}"
 done