move twinsem paper to new folder

diff --git a/research/.htaccess b/research/.htaccess
new file mode 100644 (file)
index 0000000..9231c65
--- /dev/null
+++ b/research/.htaccess
@@ -0,0 +1,2 @@
+# Redirect papers to new consistent location
+Redirect /twinsem/twinsem.pdf /papers/2018-oopsla-twinsem.pdf

diff --git a/research/twinsem/twinsem.pdf b/research/papers/2018-oopsla-twinsem.pdf
similarity index 100%
rename from research/twinsem/twinsem.pdf
rename to research/papers/2018-oopsla-twinsem.pdf