REPORTS-164 - improved finding observations and reporting on intervals
REPORTS-164 - interval converter reports dates and adds 48 month intervals
changed precision of interval-based weights
updated 361B template with the rest of the columns
fixed facility ordering in report list
REPORTS-164 - changed to 24 month increases for interval calculations, and fixed processing to be more efficient
changed display format of interval-based obs
failsafes for ConceptNumerics
using list instead of single question for interval obs
REPORTS-213 - added interval-based CD4 columns to 361B