fixed missing overlay init for project creation
added main and server pom, turned packages to eu.trentorise.opendata
fixed dev_start.bat server_test
moved backup-data-dir in test/resources
server and main are ok, rdf extension still to fix
can build everything, still fails to run (dev_start can't find maven deps)

* renamed arith-code to arithcode
* made repo also for server
* removed rdf-extension  pom.xml
now rdf-extension gitignores tmp and test-output
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
Merge branch 'mavenize-build'

* mavenization is done except for assembly into libs
* updated mockito-all to 1.9.5
* fails test model.CacheTests.testIssue567
reenabled gdata controller.js