parallel estimation
parallel estimation
old preference purging
old preference purging
purging via partitioned table
Merge remote-tracking branch 'otherfork/plista-2014'

Conflicts:
	src/main/java/org/plista/kornakapi/core/config/StorageConfiguration.java
	src/main/java/org/plista/kornakapi/core/recommender/FoldingFactorizationBasedRecommender.java
	src/main/java/org/plista/kornakapi/core/training/FactorizationbasedInMemoryTrainer.java
	src/main/java/org/plista/kornakapi/core/training/TaskScheduler.java
	src/main/java/org/plista/kornakapi/core/training/preferencechanges/InMemoryPreferenceChangeListener.java
	src/main/java/org/plista/kornakapi/web/Components.java
	src/main/java/org/plista/kornakapi/web/servlets/BaseServlet.java
	src/main/java/org/plista/kornakapi/web/servlets/BigBangServletContextListener.java