Modify citation and bump version to 0.4.4

Updated author details and version number, so that it matches authors of the JOSS article.

Merge pull request #796 from ONSAS/jorgepz-patch-1

Updates in assembler.m and convergenceTest.m

fix theory

update

Update initONSAS.m

Merge pull request #770 from ONSAS/version_updates

Update year and version for new minor release

Add CI static checks and format examples (#747)

Fix formatting in examples

Merge pull request #719 from ONSAS/jorge

complete checkFields function

Merge pull request #700 from ONSAS/jorgepz

some improvements in computing local internal forces

Merge pull request #682 from ONSAS/jorgepz

remove some non-tested examples and add addedMass to tests