Merge pull request #1734 from yongsoo/fix/precision

[FIX] rpAmountXrpLimit: rpAmountXrpLimit works now
[FIX] Take down the user survey announcement banner
Merge pull request #1736 from mrajvanshy/removeAnnouncement

[FIX] Take down the user survey announcement banner
[TASK] Address: Fix undefined address indexOf error