Make Tomcat ugrade scripts compatible with RHEL/CentOS OSes

The current script allowing to upgrade Tomcat 7 in Nuxeo 8.10 and 9.10 is not compatible with hardened CentOS/RHEL OSes.

https://github.com/nuxeo/nuxeo/blob/master/nuxeo-distribution/nuxeo-nxr-server/src/main/resources/templates/common-base/client/scripts/upgrade_tomcat7.sh

--show-progress option is not recognized by wget due to an old version:

Retrieving files...
wget: unrecognized option '--show-progress'
Usage: wget [OPTION]... [URL]...

And on some hardened systems MD5 is not allowed because not FIPS-compatible:

Checking archives...
Verifying apache-tomcat-7.0.81.tar.gz.md5...Error setting digest md5
139873283848096:error:060800A3:digital envelope routines:EVP_DigestInit_ex:disabled for fips:digest.c:256:

Possible solutions would be simply to remove the aforementioned processing since SHA1 is still available and the progress indicator is comestic.

Or test for RHEL and CentOS and then remove the progress option and the MD5