Adds Roslyn .ide directories to .gitignore.
@@ -16,6 +16,9 @@ bld/
[Bb]in/
[Oo]bj/
+# Roslyn cache directories
+*.ide
+
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
Carl Suster