* change AtLeast32Bit to AtLeast32BitUnsigned for Balance in MultiCurrency

this change same to rc4->rc5 Balance in Currency in Substrate

* replace other modules

* format code

* Update dependencies to rc6.

* Update benchmarking.

* refactor orml-authority

* update tests

* update authoirty tests

* fmt

* update docs

* fmt

* nightly fmt

* fmt

* dispatch Scheduled event

* update for rc5

* update for rc5

* remove system

* fix format

* fix format

* Update lib.rs

fix format build failed

Co-authored-by: zjb0807 <zjb0807@qq.com>

* fmt: wrap comments.

* Github actions: use nightly toolchain.

* Make file: does not enforce stable fmt.

* AuctionId bound check.

* Remove unused code.

* Apply review suggestions; fmt.

* add AsOrigin

* make authority instantiatable

* use ensure_origin

* fix vesting

* add tests

* merge orml-price into orml-traits

* fix tokens

* format

* remove prices

* refactor auction

* refactor gradually-update

* oracle cleanup

* add unit tests for schedule update

* use WEIGHT_PER_MICROS in weight calculation

* remove LinkedMap and FixedU128 implemention

* bump version

* make Change reusable

* rename