adaptions to WAT interface changed
Merge pull request #1 from marcocor/new-wat-interface

adaptions to WAT interface changed
debug interface also returns snippets
cache set only if not already set
corrected small bug in debug interface
WATAnnotator update: removed class casts, added compressed cache.
all datasets used for training; WAT useContext defaults to false
Merge branch 'master' into devel-linkback

Conflicts:
	src/main/java/it/acubelab/smaph/SmaphAnnotator.java
	src/main/java/it/acubelab/smaph/learn/GenerateTrainingAndTest.java
merge with master