update recipes

recipes/wip/vincenzo/recipe.toml

-#TODO rustc-serialize crate error
+#TODO compiled but not tested
 [source]
 git = "https://github.com/gabrieldemian/vincenzo"
 [build]

recipes/wip/viu/recipe.toml

-#TODO Not compiled or tested
+#TODO compiled but not tested
 [source]
 git = "https://github.com/atanunq/viu"
 rev = "af8f2ae90040baeeb24b92adedc645edc4ea0e85"

recipes/wip/watchexec/recipe.toml

@@ -3,4 +3,7 @@
 git = "https://github.com/watchexec/watchexec"
 rev = "a72ff0e1426ff95f76788bbd23e1a7473068f1e0"
 [build]
-template = "cargo"
+template = "custom"
+script = """
+cookbook_cargo_packages watchexec-cli
+"""