groovytemplate as CamelComponent
ibelongs to gson removed
stringify header objects
back to gson, fallback flexjson
added javascript and css filtetypes
getAssets from  repo
belongs to groovytemplate
Merge branch 'master' of https://github.com/ms123s/simpl4-src

Conflicts:
	bundles/camel/src/main/java/org/ms123/common/camel/components/groovytemplate/GroovyTemplateEndpoint.java