Adding back DBpediaSpotlightClient.java as requested by issue #239
Rename External Clients Scala, Fixes issue #239
Allow postponed model creation
Update index_db.sh
Use only LanguageIndpendentTokenizer for collecting counts.
Update index_db.sh
Improving index_db.sh usability
Bugfix
Merge pull request #241 from accardoso/hotfix-issue239

Add DBpediaSpotlightClient.java back and rename translated to scala clients
added test for snowballStemmer
fixed SnowballStemmer tests
Fixed SnowballStemmer - issue 249
Merge pull request #250 from dav009/fix-SnowballStemmer

Integrates @dav009's fix of the SnowballStemmer.
Merge branch 'master' of https://github.com/dbpedia-spotlight/dbpedia-spotlight

Conflicts:
	bin/index_db.sh
	core/src/main/scala/org/dbpedia/spotlight/db/stem/SnowballStemmer.scala
	eval/src/main/scala/org/dbpedia/spotlight/evaluation/external/AlchemyClient.scala
	eval/src/main/scala/org/dbpedia/spotlight/evaluation/external/ZemantaClient.scala