#179846837 ; user editable parameters

[lawhead]

Overview

Params GUI change so that only parameters with a value in the 'section' attribute are user-editable.

Ticket

https://www.pivotaltracker.com/story/show/179846837

Contributions

• Updated params_form to only allow user to edit parameters with a section.

Test

• Tested editing a copy of parameters.json where the section was set to blank for a number of fields. Confirmed that those fields did not appear in the GUI, but were retained when the file was saved or saved as another file.
• Confirmed that editing a normal, unmodified parameters file was unchanged and that the user could view and edit all parameters.