[maven-release-plugin] copy for tag crawler-commons-1.6

[maven-release-plugin] copy for tag crawler-commons-1.5

Update CHANGES.txt for release of crawler-commons 1.4

[maven-release-plugin] copy for tag crawler-commons-1.3

[maven-release-plugin] copy for tag crawler-commons-1.2

[maven-release-plugin] copy for tag crawler-commons-1.1

[maven-release-plugin] copy for tag crawler-commons-1.0

[maven-release-plugin] copy for tag crawler-commons-0.10

[maven-release-plugin] copy for tag crawler-commons-0.9

[maven-release-plugin] copy for tag crawler-commons-0.8