Merge pull request #1263 from funkill/traits-fixes

Move chapters from folder "traits" to "trait"

Author: marioidival

src/SUMMARY.md

@@ -139,8 +139,8 @@
     - [Iterators](trait/iter.md)
     - [`impl Trait`](trait/impl_trait.md)
     - [Clone](trait/clone.md)
-    - [Supertraits](traits/supertraits.md)
-    - [Disambiguating overlapping traits](traits/disambiguating.md)
+    - [Supertraits](trait/supertraits.md)
+    - [Disambiguating overlapping traits](trait/disambiguating.md)
 
 - [macro_rules!](macros.md)
     - [Syntax](macros/syntax.md)