Manojav Sridhar authored Dec 14, 2018 and Andrew Leech committed Mar 25, 2019

These will now be available as gauges in dash mode if exposed on standard pid by your car.

cleanup Pids, and unused imports
fix left gauge, change colors, adjust bounds

The intake manifold pressure gauge limits can be adjusted with:
```
setprop persist.sys.ip.low 95
setprop persist.sys.ip.high 110
setprop persist.sys.ip.lower 80
setprop persist.sys.ip.mid 150
setprop persist.sys.ip.upper 220
```
Engine Oil Temp bounds:
```
setprop persist.sys.eot.cold 64.7
setprop persist.sys.eot.hot 150.0
setprop persist.sys.eot.lower 0.0
setprop persist.sys.eot.mid 76.5
setprop persist.sys.eot.upper 215.0
```
Ambient Temp bounds:
```
setprop persist.sys.at.cold -3
setprop persist.sys.at.hot 30.0
setprop persist.sys.at.lower -40.0
setprop persist.sys.at.mid 0
setprop persist.sys.at.upper 50.0
```