Release Notes - V1.4-1

Updated the IDL converters to work with IDL 5.5. Fix a problem causing a crash on Linux and document the fact that the Starlink IDL converters cannot be used with the 64-bit Solaris version of IDL.

Corrected an error in the section of this document describing the easy way to do IDL/NDF conversions. WRITE_NDF was described as if it were a function rather than a procedure.