Update Maven GWT to use my GWT's Fork
Use invoker plugin 1.8
Merge branch 'master' of https://github.com/gwt-maven-plugin/gwt-maven-plugin

# By Thomas Broyer
# Via Thomas Broyer
* 'master' of https://github.com/gwt-maven-plugin/gwt-maven-plugin:
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release gwt-maven-plugin-2.6.1-rc2
  GWT 2.6.1-rc2 has been released
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release gwt-maven-plugin-2.6.1-rc1
  Update "What's New"
  GWT 2.6.1-rc1 has been released

Conflicts:
	pom.xml
Update to GWT 2.6.1-rc2