Rebrand Visor => Gamma, track registry contract

[l0c4t0r]

1. Newer contracts are no longer created from factory. Switched to track our registry contract for new hypervisors
2. Rename everything from Visor to Gamma as part of our rebranding efforts.

[l0c4t0r]

Passed validate.

gamma project export format
✓ has a valid name
✓ category matches one of the defined options
✓ has a valid start time
✓ has a valid tvl or rates method

gamma project running & output format
runs for a variety of points at different times
✓ returns valid tvl data at hour 0 (8981ms)
✓ returns valid tvl data at hour -6 (8420ms)
✓ returns valid tvl data at hour -12 (8302ms)
✓ returns valid tvl data at hour -36 (8964ms)
✓ returns valid tvl data at hour -72 (15110ms)
✓ returns valid tvl data at 2021-12-28T00:00:00Z (16944ms)
✓ returns valid tvl data at 2021-12-07T00:00:00Z (7535ms)
✓ returns valid tvl data at 2021-11-17T00:00:00Z (8289ms)
✓ returns valid tvl data at 2021-10-27T00:00:00Z (8875ms)
✓ returns valid tvl data at 2021-10-07T00:00:00Z (7104ms)
✓ returns valid tvl data at 2021-09-17T00:00:00Z (14897ms)
✓ returns valid tvl data at 2021-08-27T00:00:00Z (11075ms)
✓ returns valid tvl data at 2021-08-07T00:00:00Z (14217ms)
✓ returns valid tvl data at 2021-07-17T00:00:00Z (7938ms)
✓ returns valid tvl data at 2021-06-27T00:00:00Z (7139ms)
✓ returns valid tvl data at 2021-06-07T00:00:00Z (14989ms)

20 passing (3m)

[AndreMiras]

Thanks for the pull request.
Could you fix this left over conflict here?

[l0c4t0r]

Ah missed this while merging in. Fixed now, thanks.