Julia v1.9 fixes

v0.4.2

Just comment out nightly for now.

Add support for layout and annotations.

Add text annotation, h/v markers, and grid control.

Make EasyData a direct submodule of CMDimData.

Also conform to changes in HDF5 API:

• HDF5.exists -> Base.haskey
• g_create -> create_group
• g_open -> open_group
• attrs -> attributes
• d_write -> write_dataset
• d_read -> read_dataset
• a_write -> write_attribute
• a_read -> read_attribute
• HDF5.HDF5Group -> HDF5.Group
• HDF5.HDF5Dataset -> HDF5.Dataset
• HDF5.HDF5File -> HDF5.File

Improve plot builder system.

Built-in support for generating plots from a separate file.

Also:

• Improve interaction with the Julia display() system.
• Requires Julia >= 1.3 (isnothing()).

Restructure EasyPlot interface & handle multiple y-strips.

Also:
Clean up/fix code, add documentation, ...
Add "parametric_sin.jl".
Add Live-Slice example.

First release.

Consolidated from EasyData.jl and EasyPlot*.jl repositories to make things more manageable.