upgrade plugin version (move version of reporting plugin in pluginManagement to be able to check version with mvn versions:display-plugin-updates)
remove some warning :
[WARNING]   The syntax
[WARNING]     @parameter expression="${property}"
[WARNING]   is deprecated, please use
[WARNING]     @parameter property="property"
add github.global.server
Merge branch 'master' of github.com:davidB/yuicompressor-maven-plugin
set maven minimum to 3.1.1
remove unused import, annotation
demo01: dump stacktrace on error
1.5.0-SNAPSHOT
[maven-release-plugin] prepare release 1.5.0