Change NaN output to blanks
Add HATJ CSV parser; Refactor parser dialogs
Refactor common time handling to TimeHelper
Added comments to util classes
Updated parser for new HATJ data format; added default chart labels
Added time zone offest to HATJ Parser
Misc comment updates
Fixes for ISO date format
Initial work to support secondary Y axis on charts
Additional secondary Y axis changes
Bugfixes and cleanup
Updated to support start & end times plus custom report generation