* define and generate proto types
* implement savings claim msg + test
* implement savings claim + test
* register msg and add store keys
* implement savings claim keeper methods
* update function comment
* define and generate proto types, update types dir
* update gen state with savings + test
* update legacy test data for ci test
* update proto types numbering
* update params proto types numbering
* move defualt values to file where they're used
* add type to hold RewardIndexes in genesis state
* add reward indexes state to genesis
* fix genesis state importers
* add iterator keeper methods for accrual times
* remove syncing from export/init genesis
* separate incentive migration to new file
* refactor out common funcs from incentive migration
* update legacy genesis state to v0.14.3
* add test and example migrated json
* fully initialize rewards in genesis builder
* add kava-7-mainnet incentive state
* run aliasgen
* add missing type to incentive/legacy
Co-authored-by: karzak <kjydavis3@gmail.com>
* add get set methods for swap reward indexes
* add get set methods for swap accrual time
* tidy up location of multi periods
* add swap reward periods to params
* add initial legacy types for incentive
* minor refactor of migration code
* add incentive migration for swap params
* minor incentive test refactors
* add math methods to RewardIndexes
* add keeper method to increment global indexes
* add swap keeper to incentive keeper
* indicate if pool shares were found or not
* add accumulator to compute new rewards each block
* accumulate swap rewards globally
* remove unecessary keeper method
* expand doc comments on accumulator methods
* test precision not lost in accumulation
* minor fixes from merge
* rename storeGlobalDelegatorFactor to match others
* fix migration from merge
* fix bug in app setup
* fix accumulation bug when starting with no state
* rename swap files to match others
* add swap accumulation times to genesis
* remove old migration refactor
* minor updates to spec
* add high level description of how rewards work
