[maven-release-plugin] copy for tag dledger-0.2.7

[maven-release-plugin] copy for tag dledger-0.2.6

[maven-release-plugin] copy for tag dledger-0.2.5

[maven-release-plugin] copy for tag dledger-0.2.4

[maven-release-plugin] copy for tag dledger-0.2.3

[maven-release-plugin] copy for tag dledger-0.2.2

[maven-release-plugin] copy for tag dledger-0.2.1

[maven-release-plugin] copy for tag dledger-0.2.0

[maven-release-plugin] copy for tag release-0.1