Improvements to body truncation code in EncryptedPushNotifications #s…

…erver-1197

[maven-release-plugin] copy for tag tigase-server-8.1.0

prepare for next develpment phase

[maven-release-plugin] copy for tag tigase-server-8.0.0

[maven-release-plugin] copy for tag tigase-server-dist-8.0.0-RC1

[maven-release-plugin] copy for tag tigase-server-7.1.5

[maven-release-plugin] copy for tag tigase-server-8.0.0-RC1