Improved the tags impl regex
Sort trait bounds.

Closes #6334
collections, unicode: Add support for NFC and NFKC
Use hello_world instead of the guessing_game
Move caret under the 'x' variabe
collections: Implement Eq for DList, RingBuf, TreeMap, TreeSet
collections: Implement Ord for DList, RingBuf, TreeMap, TreeSet
collections: Implement FromIterator/Extendable for BitvSet
Fix misspelled comments.
mk: Add missing colon
doc: Make sure all doc titles say 'Rust'. #12466
Fix alignment tests for ARM on Linux. #14848
Use cargo new.

Now that this feature exists, we should use it.

Fixes #16078
Add note about Cargo.lock
Add a split_at method to slice::ImmutableVector

This method is similar to the mut_split_at method of slice::MutableVector.
Fix manual regarding attribute placement.

Fixes #15494.
Rewrite read_u32v_be() and write_u32_be() to make sure that all memory access is properly aligned
auto merge of #16175 : EduardoBautista/rust/fix-guessing-game-appearing-early, r=steveklabnik

Solves: https://github.com/rust-lang/rust/issues/16162
auto merge of #16177 : nham/rust/collections_15294_eq_ord, r=alexcrichton

This implements:

 - Eq and Ord for DList, RingBuf, TreeMap and TreeSet
 - FromIterator and Extendable for BitvSet

cc #15294
Remove unused tuple struct