[v0.16.0] Improve Canal Configuration

[dominicgunn]

Changes

This takes the canal configuration from kops, and moves installation into a initContainer as oppose to trying to run both the installation and canal containers side-by-side.

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[codecov-commenter]

Codecov Report

Merging #1864 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1864   +/-   ##
=======================================
  Coverage   24.42%   24.42%           
=======================================
  Files          98       98           
  Lines        5114     5114           
=======================================
  Hits         1249     1249           
  Misses       3725     3725           
  Partials      140      140           

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