docs: update DISCLAIMER and pom.xml with licensing information#837

psxjoy merged 2 commits intoapache:release-2.0.1-incubatingapache/fesod:release-2.0.1-incubatingfrom

psxjoy:release-2.0.1-incubating-3psxjoy/fastexcel:release-2.0.1-incubating-3Copy head branch name to clipboard