Don't add today's totals to the warm cache, otherwise incomplete totals may
exist for today's date in the cache tomorrow. Only adding the totals to the
warm cache for yesterday or older fixes this.
- Add Cloud Functions:
- "Recent" gap list, can filter and/or group by chain or address.
- "Totals" counts 24h, 30d, rolling daily. can filter and group.
- "Transaction" lookup row by chain-native transaction identifier.
- Pad sequence in rowkey to fixed length, for sequential row order.
- Add Cloud Function deploy instructions.
- Fix#410 Buildpack image cleanup
Change-Id: Ifa3110a3d58e2f94adb48ccb451c27ab3add0611