[OPENENGSB-3582] Upgrade to maven-compiler-plugin 3.0 and adapt memory and source lvl
[OPENENGSB-3583] Remove no longer used maven site plugin
[OPENENGSB-3584] Upgrade maven-release-plugin to 2.4
[OPENENGSB-3585] Upgrade maven-notice-plugin to 1.0.5
[OPENENGSB-3586] Upgrade maven-wagon-plugin to 1.0-beta-4
[OPENENGSB-3587] Upgrade to maven-resources-plugin 2.6
[OPENENGSB-3588, OPENENGSB-3589] Removed maven-shade plugin and upgrade surefire plugins
[OPENENGSB-3590] Upgrade maven-clean-plugin to 2.5
[OPENENGSB-3591] Upgrade maven-dependency-plugin to 2.7
[OPENENGSB-3592] Upgrade to maven-plugin-plugin 3.2
[OPENENGSB-3593] Upgrade maven-enforcer-plugin to 1.2