* Thread-local parameter_types for testing.

* Better docs.

* Some minors

* Merge'em

* Update frame/support/src/lib.rs

Co-authored-by: Bastian Köcher <[email protected]>

* Align more to basti's trick

* Update frame/support/src/lib.rs

* Update frame/support/src/lib.rs

Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>