mavenized build, now only assembly into lib is missing

* mavenized build
	* lib dirs are now ignored
	* only assembly into lib feature is missing
* added poms to extensions
* made run and debug profiles on server
	* added nbactions.xml to trigger them
* remade repos:
	* now they hold sources (made them with JarToDeps)
	* refine repos namespace is now org.openrefine.deps
* updated freebase to upstream
* updated gdata libs to upstream, although sources are missing
* removed /src
* set up odrext to use testng
* disabled three tests that gave problems