[maven-release-plugin] prepare release ratel-project-1.2.8
[maven-release-plugin] prepare release ratel-project-1.2.8

dkubiak/Ratel,PayU-Tech/Ratel,dkubiak/Ratel,slawekjaranowski/Ratel,PayU-Tech/Ratel,amasiakiewicz/Ratel,dkubiak/Ratel,slawekjaranowski/Ratel,amasiakiewicz/Ratel,slawekjaranowski/Ratel,amasiakiewicz/Ratel,PayU-Tech/Ratel