Finalize release notes for 0.17 - still needs proofreading

[benjaoming]

Summary

Finalizing release notes, should be the last step before 0.17.x is ready for release :)

[codecov-io]

Current coverage is 51.82% (diff: 100%)

Merging #5398 into 0.17.x will not change coverage

@@             0.17.x      #5398   diff @@
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[radinamatic]

GH is not letting me comment on text that is not part of the latest commit, so here are a couple of suggestions:

(Line numbers first)

• 50: deeplink - I'd separate this into deep link(Wikipedia).
• 62: change fixing into which fixed.
• 90: change in other way into in some other way
• 94: change mis-aligned into misaligned
• 114: change has been removed into have been removed
It is all located as would sound better to me as Everything is labeled as, but I may be misunderstanding something...
• 115: Change the The parts of ``kalite.testing`` application that were related to benchmarks. These commands have been unmaintained and are outdated. into The parts of ``kalite.testing`` application related to benchmarks have been unmaintained and are outdated.
• 121: change convetions into conventions.
• 122: change PyRun is no longer supported, code that pertained its lacking ``multiprocessing`` has been removed. into PyRun is no longer supported and has been removed (it was lacking ``multiprocessing``) .

[benjaoming]

62: change fixing into which fixed.

I kept this, thinking it's a way I've been writing English for a long time. Fixing it consequently would mean investing much effort :D