Add division model k-calibration

[steinnymir]

Add the simpler momentum calibration method proposed by @balerion.

[coveralls]

Pull Request Test Coverage Report for Build 6897395795

• 6 of 73 (8.22%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.1%) to 88.934%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
sed/core/processor.py	2	15	13.33%
sed/calibrator/momentum.py	4	58	6.9%

Totals
Change from base Build 6890295349:	-1.1%
Covered Lines:	5015
Relevant Lines:	5639

---

💛 - Coveralls

[steinnymir]

Change naming to reflect the actual behaviour.

This is a distortion correction, not a k calibration method

[zain-sohail]

@balerion would you like to generate the parameters for it? This PR is stuck otherwise