[Solid_software] JLAB_VERSION=1.3 and GEMC 2.3

[Zhiwen Zhao]

Dear All

JLAB_VERSION=1.3 with GEMC 2.3 has been available for a while.
We can now switch to it

The ifarm installation and virtual machine are ready for use
https://eic.jlab.org/wiki/index.php/Installation_of_framework#pre-compiled_installation

see GEMC 2.3 release note here
https://gemc.jlab.org/gemc/html/documentation/releases/2.3/2.3.html

Please let me know any question

Zhiwen