Update Cargo.toml, release instructions and release script

Client: rs
diff --git a/lib/rs/Cargo.toml b/lib/rs/Cargo.toml
index f5844b4..ed32179 100644
--- a/lib/rs/Cargo.toml
+++ b/lib/rs/Cargo.toml
@@ -7,7 +7,7 @@
 homepage = "http://thrift.apache.org"
 documentation = "https://thrift.apache.org"
 readme = "README.md"
-exclude = ["Makefile*", "test/**"]
+exclude = ["Makefile*", "test/**", "*.iml"]
 keywords = ["thrift"]
 
 [dependencies]