Add device orientation control to rover controller

[angusjfw]

Status	Ticket/Issue
Ready/Hold	Ticket

Main changes

Screenshots (feature, test output, profiling, dev tools etc)

[insert screenshots here]

Other notes (e.g. implementation quirks, edge cases, questions / issues)

Manual testing tips

Tag anyone who definitely needs to review or help

[codecov]

Codecov Report

Merging #543 (8712dc7) into master (6bdf48c) will decrease coverage by 0.36%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #543      +/-   ##
==========================================
- Coverage   57.29%   56.93%   -0.37%     
==========================================
  Files         146      146              
  Lines        6920     6929       +9     
==========================================
- Hits         3965     3945      -20     
- Misses       2955     2984      +29     

Flag	Coverage Δ
unittests	56.93% <0.00%> (-0.37%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pitop/labs/web/blueprints/messaging/__init__.py	0.00% <0.00%> (ø)
pitop/labs/web/blueprints/rover/__init__.py	0.00% <0.00%> (ø)
pitop/labs/web/webcontroller.py	0.00% <ø> (ø)
pitop/labs/web/webserver.py	0.00% <0.00%> (ø)
pitop/processing/core/load_models.py	44.89% <0.00%> (-40.82%)	⬇️

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[lgtm-com]

This pull request introduces 1 alert when merging 6bf4540 into 460879b - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging 8f32f84 into 460879b - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging feef61e into 54d2542 - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging ed89664 into 54d2542 - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging e215ec1 into 54d2542 - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging 2814478 into 54d2542 - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default

[lgtm-com]

This pull request introduces 1 alert when merging 8712dc7 into 6bdf48c - view on LGTM.com

new alerts:

• 1 for Modification of parameter with default