Release version 1.2.1

changed groupId to com.github.paxdei, version, url

[maven-release-plugin] copy for tag jsqlparser-0.9.4

[maven-release-plugin] copy for tag jsqlparser-0.9.3

[maven-release-plugin] copy for tag jsqlparser-0.9.2

[maven-release-plugin] copy for tag jsqlparser-0.9.1

[maven-release-plugin] copy for tag jsqlparser-0.9

[maven-release-plugin] copy for tag jsqlparser-0.8.9

[maven-release-plugin] copy for tag jsqlparser-0.8.8

[maven-release-plugin] copy for tag jsqlparser-0.8.6