updata GN submodule
fixes for windows and paths, remove some redundancy
add jsbuild scripts for windows
fix geoserver build/upgrade to 2.3
fixed geonetwork submodule
Merge branch 'master' of https://github.com/georchestra/georchestra

Conflicts:
	geoserver/pom.xml
Merge branch 'master' of https://github.com/georchestra/georchestra