Replace README symlink with plain text file.

Fixes #114.

diff --git a/README b/README
deleted file mode 120000 (symlink)
index 42061c01a1c70097d1e4579f29a5adf40abdec95..0000000000000000000000000000000000000000
--- a/README
+++ /dev/null
@@ -1 +0,0 @@
-README.md
\ No newline at end of file

diff --git a/README b/README
new file mode 100644 (file)
index 0000000000000000000000000000000000000000..96dc92fbd0389e403e1bbd6d3288fba6ac3bcdc2
--- /dev/null
+++ b/README
@@ -0,0 +1 @@
+See README.md