SHU Yoshifumi

Fix configure.ac to convert {?rev} in the Release string in xml_defin…

1

For #36 , I fixed configure.ac to convert {?rev} in the Release string in xml_definition.spec correctly.

Hello. I am trying to build esmon on `CentOS 7`. `/etc/esmon_build.conf` is empty. But executing `./esmon_build` outputs an error: ``` cp: cannot stat 'xml_definition/RPMS/noarch/xml_definition-2.2-1.g%{?rev}.noarch.rpm': No such file or directory ```...

### Changes I change some codes in order to enable to build inside CentOS 8 docker container and support CentOS 8 build in GitHub Actions. This patch consists of 5...

#### Content I added a script for [GitHub Actions](https://github.com/features/actions), a GitHub's CI/CD service. This is free of charge for public repositories. In current settings, the coral builds for both CentOS...