* as multi threshold 1
* add `as_multi_approve_store` benchmark
* finish update
* final weights
* integrate into runtime
* whitelist accounts
* whitelisted caller weights
* clean up comments
* Get up to date `call_len`
* better implementation
* fix spacing
* spacing
* Update frame/multisig/src/benchmarking.rs
Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Shawn Tabrizi