CLC-3333-finaid-diagnostic-icons-by-category

DEV: Financial Aid "diagnostic" messages - refine icons to indicate important vs. info messages

https://jira.ets.berkeley.edu/jira/browse/CLC-3333

Now checking the diagnostic message category value.

'MBA', 'DSB', 'SAP' and unexpected categories have an alert type, shown by the red exclamation point icon
'PKG' categories are given an "info" type which shows an info-cirlce icon ("i")
'SUM' categories are given a "financial" type which shows a usd ($) icon
Any unexpected categories, as well as showing an alert icon are also logged as warnings.

Updated my_fin_aid_spec to expect info type messages