Fixed units used int theHF plot
Fixed rotation of arrows according to other plots. Changed shape of
arrows.
Possibility to see tracks of assets for the past month.
Warnings cleanup.
Updated .gitignore for ignoring configuration files.
When Iridium communications are selected, enabling and disabling T-REX
also goes over iridium.
Git: Please only one .gitignore file. Some cleanup on .gitignore.
Merge branch 'sunfish-2014' into develop