NXTP v0.1.7

What's Changed

• Fixes of ConvertToUSD by @wanglonghong in #680
• [router] prefer using relayer fee asset from metatx rc fulfill payload by @jakekidd in #673
• Add logs by @wanglonghong in #685
• added unit tests by @liu-zhipeng in #684
• remove relayer fee by @sanchaymittal in #683
• Add infra for remove liq by @rhlsthrm in #681

Full Changelog: v0.1.6...v0.1.7