* Improve naming.

* More improvements to naming

* Fungible counterpart

* Shared pot instead of reserve

* Transferable receipts

* Better naming

* Use u128 for counterpart

* Partial thawing

* Docs

* Remove AdminOrigin

* Integrate into Kitchen Sink

* Thaw throttling

* Remove todo

* Docs

* Fix benchmarks

* Building

* Tests work

* New benchmarks

* Benchmarking tests

* Test new defensive_saturating_* functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Formatting

* Update frame/nis/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Apply suggestions from code review

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Events added

* Fix kitchensink

* Update frame/nis/src/lib.rs

Co-authored-by: Xiliang Chen <xlchen1291@gmail.com>

* Review niggles

* Remove genesis build requirements

* Grumbles

* Fixes

* Fixes

* Fixes

* Update frame/nis/src/lib.rs

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

* Update primitives/runtime/src/traits.rs

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

* Formatting

* Fixes

* Fix node genesis config

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix node chain specs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use free asset ID as counterpart

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Account for rounding errors in fund_deficit bench

Relaxes the check for the NIS account balance in the fund_deficit bench
from equality from to checking for 99.999% equality. The exact deviation
for the kitchensink runtime config is 1.24e-10 percent but could vary if
the config is changed.

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix

* Rename

* Fixes

* Fixes

* Formatting

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Xiliang Chen <xlchen1291@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>