`LICENSE` file type was not markdown

remove obsolete print_banner() from the SIF container

(do not confuse the poor renderers)

(now it prints an error, thanks @fjconejero for spotting)

Develop → master merge for 1.4.3

bump hotfix release 1.4.3

freeze SBML dictionary ordering

Hashtable ordering is more random than was expected; and the unpredictability
caused bad/random results when processing large models in a distributed way.

This forcibly freezes the order for SBMLModel so that the ordering issue is
avoided completely and forever.

Develop → master merge for v1.4.2

upgrade julia version on ci and set mac path

Release 1.4.2

use the latest recommended Julia CI on master+develop for generating …

(mainly, this should fix codecov breakage)

use a softer failure when unit annotations are missing in SBML

triggered by @exaexa on PR #701

sync julia version with artenolis

fix loading of matlab version of yeast GEM

Closes #691

switch tests julia from 1.7 to 1.8

Add `ext` option

minor improvements for COBREXA PR 688e

triggered by @exaexa on PR #688

To decouple the type of the file content from the extension

Develop → master merge for v1.4.1

backmerge `master` changes to `develop` to resolve merge conflicts

remove `polish` parameter specific to osqp

triggered by @exaexa on PR #681

fix docbuild: JuMP `MIN_SENSE` and `MAX_SENSE` disappeared