autogen.sh expects INSTALL as well

git-svn-id: svn://svn.open-ils.org/ILS/trunk@10495 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/INSTALL b/INSTALL
new file mode 120000 (symlink)
index 0000000..5bb6e7b
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1 @@
+/usr/share/automake-1.10/INSTALL
\ No newline at end of file