Initial integration of Gilts pallet (Kusama) (#2587)

* Initial integration of Gilts pallet (Kusama)

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* cargo run --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=pallet_gilt --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/

* Use real weights

* Update lock

* Merge

* Fixes

* Add working.

* Add proper curve arithmetic

* Fixes

* Fixes

* Make build

* Fixes

* Fixes

* Fix build

* remove dep.

* undo dep.

* upadte substrate

* Fix

* Bump Substrate

* Fixes

* Fixes

* Fix test

* Remove cap and some tests

* Fixes

* Fixes

* Update runtime/kusama/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* bump the lock file

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

Co-authored-by: Parity Benchmarking Bot <admin@parity.io>
Co-authored-by: kianenigma <kian@parity.io>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>