…mi) model , Harmonic Oscillator Model, Sum of Gaussian model and also updated the Radius parameter used in the Gaussian Density Distribution model to measured RMS radius.

I changed the nEgamma from 1000 to 100 & nQ2 from 1000 to 100 to speed up cross section calculation in e_wideResonanceCrossSection::crossSectionCalculation function and also added percentage progress code and fixed wideResonanceCrossSection calculation by calling photonNucleusCrossSection::e_getcsgA function instead of photonNucleusCrossSection::getcsgA function.
I implemented four prong channel.
I changed the data for gauss integration from NGAUSS = 6 to NGAUSS = 16 in photonNucleusCrossSection::e_getcsgA to improve precision.
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   include/nucleus.h
	modified:   src/e_wideResonanceCrossSection.cpp
	modified:   src/gammaavm.cpp
	modified:   src/inputParameters.cpp
	modified:   src/nucleus.cpp
	modified:   src/photonNucleusCrossSection.cpp

Merged to synchronize local changes with github repo

…d Version

…um-of-Gaussian model.

added excited rho meson (1450) channel

I added the sum-of-Gaussian Qi parameter to calculate the form factor for the sum-of-Gaussian model.

I changed e_getcsgA function back to getcsgA function when integrating cross-section.

I added excited rho meson (1450) production and decay channel

I updated defaultMaxW value for case 999 which is the excited rho meson (1450) channel.

…arameters for excited rho meson (1450) channel from new paper

Updated vector meson photon coupling constant and energy dependence parameters (sigmagp equation) for excited rho meson (1450) channel from a new paper (arXiv:2005.13624).

…ded three parameter Fermi model and sum-of-Gaussian model. Also, added the form factor for sum-of-Gaussian model.

I updated nuclear density distribution models for some light nuclei. I worked on H-2, He-4, Be-10, B-11, C-12, N-14, O-16. I added three parameter Fermi model for  N-14 & O-16 and the sum-of-Gaussian model for He-4 & C-12 and updated the default radius to the measured rms radius for the remaining nuclei following the Gaussian model (H-2, Be-10, and B-11 ). Also, I added the form factor for the sum-of-Gaussian model.