Add lints

lib/etc/libimagnotification/src/lib.rs

@@ -17,6 +17,22 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 //
 
+#![deny(
+    dead_code,
+    non_camel_case_types,
+    non_snake_case,
+    path_statements,
+    trivial_numeric_casts,
+    unstable_features,
+    unused_allocation,
+    unused_import_braces,
+    unused_imports,
+    unused_must_use,
+    unused_mut,
+    unused_qualifications,
+    while_true,
+)]
+
 extern crate notify_rust;
 #[macro_use] extern crate error_chain;