add a readme for development branch management
add a readme for development branch management

rdkgit/opennms,tdefilip/opennms,tdefilip/opennms,roskens/opennms-pre-github,rdkgit/opennms,rdkgit/opennms,tdefilip/opennms,aihua/opennms,roskens/opennms-pre-github,rdkgit/opennms,aihua/opennms,rdkgit/opennms,rdkgit/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,rdkgit/opennms,rdkgit/opennms,aihua/opennms,tdefilip/opennms,roskens/opennms-pre-github,tdefilip/opennms,tdefilip/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,tdefilip/opennms,aihua/opennms,aihua/opennms,roskens/opennms-pre-github,aihua/opennms,roskens/opennms-pre-github,roskens/opennms-pre-github,aihua/opennms,roskens/opennms-pre-github,tdefilip/opennms,aihua/opennms,tdefilip/opennms,aihua/opennms,rdkgit/opennms,rdkgit/opennms