Add online measurement rejection

[ChristopherRabotin]

Effects

Add the ability to reject measurements online prior to ingesting them in the filter. When rejected, a warning is printed and the filter performs a time update instead.

If this is a new feature or a bug fix ...

• Yes, the branch I'm proposing to merge is called issue-xyz where xyz is the number of the issue.

If this change adds or modifies a validation case

• No.

TODO:

• Add test of rejection
• Add ability to configure via Python (can be configured in YAML but not used in Python yet -- should be a path to a YAML file)

Closes #127

[codecov]

Codecov Report

Patch coverage: 62.12% and project coverage change: +0.29 🎉

Comparison is base (c4c3188) 29.15% compared to head (636c61b) 29.45%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #145      +/-   ##
==========================================
+ Coverage   29.15%   29.45%   +0.29%     
==========================================
  Files         126      128       +2     
  Lines       33301    33251      -50     
==========================================
+ Hits         9710     9795      +85     
+ Misses      23591    23456     -135     

Impacted Files	Coverage Δ
src/od/mod.rs	0.00% <ø> (ø)
tests/orbit_determination/mod.rs	0.00% <0.00%> (ø)
tests/orbit_determination/multi_body.rs	0.00% <0.00%> (ø)
tests/orbit_determination/spacecraft.rs	0.00% <0.00%> (ø)
tests/orbit_determination/two_body.rs	0.00% <0.00%> (ø)
tests/orbit_determination/xhat_dev.rs	0.00% <0.00%> (ø)
src/od/process/rejectcrit.rs	37.50% <37.50%> (ø)
src/od/residual.rs	31.25% <51.61%> (+16.96%)	⬆️
src/od/process/mod.rs	67.83% <87.87%> (+5.20%)	⬆️
src/od/kalman.rs	77.34% <94.11%> (+0.54%)	⬆️
... and 2 more

... and 6 files with indirect coverage changes

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