HydroPortailStats 1.0.3

• Change impacting function interface: GetQfromT(T,H3,options) changed to GetQfromT(RP,H3,options) to avoid using T as a variable name
• Change impacting function interface: output of GetTfromQ is now a list with names (RP,IC) rather than (T,IC), for consistency with the change above
• Updated HydroPortail URL in README and DESCRIPTION
• Miscellaneous changes for CRAN release with no impact on function interfaces
• Added a NEWS.md file to track changes to the package.