* stub out simulation integration for cdp, pricefeed * stub out simulation integration for auction * fix cdp export * update pricefeed to match * update validator-vesting to match
* wip: tpyes and keeper methods * wip: iterators * wip: types and keeper methods * wip: add msgs * wip: client methods * wip: rebase develop * wip: types tests * wip: keeper tests, small fixes * wip: add cdp tests * wip: deposit tests * wip: keeper tests * wip: tests and module methods * feat: error when fetching expired price * feat: conversion factor for external assets * feat: debt floor for new cdps * feat: save deposits on export genesis * feat: ensure messages implement msg * feat: index deposits by status * fix: stray comment * wip: address review comments * address review comments