Update README with numerous approved HIPs (helium#67)

Updates to status for recently approved HIPs per comments on the tracking issues; added definitions for the different statuses

README.md

@@ -18,15 +18,22 @@ If you have questions or feedback, please ask in [#hips in the community Discord
 | 4  | [Expensing Data Credits for LoRaWAN Traffic](https://github.com/helium/HIP/blob/master/0004-expensing-data-credits-for-lorawan.md) | Deployed |
 | 5  | [PoC fairness/epoch challenge limit](https://github.com/helium/HIP/blob/master/0005-poc-fairness.md) | [Closed](https://github.com/helium/HIP/issues/24#issuecomment-705308809) |
 | 6  | [Ramp-up period for data transfer rewards](https://github.com/helium/HIP/blob/master/0006-reward-ramp-for-packets.md) | [Closed](https://github.com/helium/HIP/pull/20) |
-| 7  | [Process for managing Helium Improvement Proposals](https://github.com/helium/HIP/blob/master/0007-managing-hip-process.md) | [In Discussion](https://github.com/helium/HIP/issues/26) |
+| 7  | [Process for managing Helium Improvement Proposals](https://github.com/helium/HIP/blob/master/0007-managing-hip-process.md) | [Approved](https://github.com/helium/HIP/issues/26) |
 | 8  | [XOR filter for LoRaWAN packet routing tables](https://github.com/helium/HIP/blob/c2f3ce61466b003731bb967959ca8b6e7706fca5/0008-lorawan-routing.md) | [Draft](https://github.com/helium/HIP/pull/9) |
 | 9  | [Ensuring trust for non-Helium hotspots (DIY gateways)](https://github.com/helium/HIP/blob/7b715a0614d4c529144e1d6c0083ee8b38c05b29/0009-non-helium-hotspots.md) | [Draft](https://github.com/helium/HIP/pull/15) |
 | 10 | [Proportional reward scheme for data transfers](https://github.com/helium/HIP/blob/master/0010-usage-based-data-transfer-rewards.md) | Deployed |
 | 11 | [Amendment to proportional data transfer reward scheme](https://github.com/helium/HIP/blob/master/0011-usage-based-rewards-structure.md) | [Closed](https://github.com/helium/HIP/pull/49#issuecomment-705306806) |
-| 12 | [Remote location assertion](https://github.com/helium/HIP/blob/master/0012-remote-location-assert.md) | [In Discussion](https://github.com/helium/HIP/issues/39) |
-| 13 | [Transfer hotspot](https://github.com/helium/HIP/blob/master/0013-transfer-hotspot.md) | [In Discussion](https://github.com/helium/HIP/issues/43) |
+| 12 | [Remote location assertion](https://github.com/helium/HIP/blob/master/0012-remote-location-assert.md) | [Approved](https://github.com/helium/HIP/issues/39) |
+| 13 | [Transfer hotspot](https://github.com/helium/HIP/blob/master/0013-transfer-hotspot.md) | [Approved](https://github.com/helium/HIP/issues/43) |
 | 14 | [PoC Ripple Method](https://github.com/helium/HIP/blob/master/0014-poc-ripple-method.md) | [In Discussion](https://github.com/helium/HIP/issues/50) |
-| 15 | [Beaconing Rewards](https://github.com/helium/HIP/blob/master/0015-beaconing-rewards.md) | [In Discussion](https://github.com/helium/HIP/issues/51) |
-| 16 | [Random Consensus Group Elections](https://github.com/helium/HIP/blob/master/0016-random-consensus-group-election.md) | [In Discussion](https://github.com/helium/HIP/issues/55) |
-| 17 | [Hex Density-based Transmit Reward Scaling](https://github.com/helium/HIP/blob/master/0017-hex-density-based-transmit-reward-scaling.md) | [In Discussion](https://github.com/helium/HIP/issues/60) |
+| 15 | [Beaconing Rewards](https://github.com/helium/HIP/blob/master/0015-beaconing-rewards.md) | [Approved](https://github.com/helium/HIP/issues/51) |
+| 16 | [Remove Score from Consensus Group Elections](https://github.com/helium/HIP/blob/master/0016-random-consensus-group-election.md) | [Approved](https://github.com/helium/HIP/issues/55) |
+| 17 | [Hex Density-based Transmit Reward Scaling](https://github.com/helium/HIP/blob/master/0017-hex-density-based-transmit-reward-scaling.md) | [Approved](https://github.com/helium/HIP/issues/60) |
 | 18 | [Remove Oracle Forecast for DC Burn](https://github.com/helium/HIP/blob/master/0018-remove-oracle-forecast-for-dc-burn.md) | [In Discussion](https://github.com/helium/HIP/issues/60) |
+
+### Status key
+* Draft: HIP is in process of being written; author is not yet soliciting feedback from the community at large
+* In Discussion: HIP is under activity consideration by the community
+* Approved: HIP has been approved by rough consensus, and pending development and testing
+* Deployed: Code to implement HIP has been merged and deployed to the network
+* Closed: HIP abandoned, render absolute by other changes, or otherwise withdrawn by the author