view_subject.html:
- added FCS parameter number and fcs PnN text columns

models.py:
- added fcm import to create get_fcs_text_segment() method for Sample model

views.py:
- selecting a panel for a sample is now working, so the sample's parameters are catalogued
view_subject.html:
- add sample ID column

api.py:
- trying to get reverse relationship filtering working