Fix a panic in actix-web normalize middleware (#294)

* Fix a panic in actix-web normalize middleware

* Cleanup dependencies

backend/Cargo.lock

@@ -239,8 +239,7 @@ dependencies = [
 [[package]]
 name = "actix-web"
 version = "3.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1b12fe25e11cd9ed2ef2e428427eb6178a1b363f3f7f0dab8278572f11b2da1"
+source = "git+https://github.com/maciejhirsz/actix-web?branch=no-panic-normalize#89791b4df12295bf0145d0402a059d1315cd90ff"
 dependencies = [
  "actix-codec",
  "actix-http",

backend/Cargo.toml

@@ -27,3 +27,6 @@ clap = "3.0.0-beta.2"
 [profile.release]
 lto = true
 panic = "abort"
+
+[patch.crates-io]
+actix-web = { git = "https://github.com/maciejhirsz/actix-web", branch = "no-panic-normalize" }