Description

Refactor of pictogram controller no new unit test is added.

Fixes #202

Type of change

Delete unchecked boxes (only for Type of change)

[x] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[x] This change requires a documentation update

We have not been testing this code but it seems to be working. Their is another issue out #256 to test this controller.

[x] My code follows the style guidelines of this project
[x] I have performed a self-review of my own code
[x] I have commented my code, particularly in hard-to-understand areas, if necessary
[ ] I have made corresponding changes to the documentation, if necessary
[x] My changes generate no new warnings
[ ] I have added tests that prove my fix is effective or that my feature works, if necessary
[x] New and existing unit tests pass locally with my changes
[ ] Any dependent changes have been merged and published in downstream modules
[ ] I have Acceptance Tested this on an iOS device
[ ] I have Acceptance Tested this on an Android device