sliding window
configurations, algorithm details
bin is created for any starttime contained in the original entry
startTime corrected
detection of long term interests
LongTermMemory
fixed nullpointer
Ranker Test Fix
Merge branch 'features/research-shortterm' into features/research-recommender-shortterm

Conflicts:
	intelligence/src/main/java/de/spektrumprojekt/i/learner/Learner.java
	intelligence/src/main/java/de/spektrumprojekt/i/ranker/chain/features/ContentMatchFeatureCommand.java
	intelligence/src/main/java/de/spektrumprojekt/i/timebased/TermCounterCommand.java
	intelligence/src/main/java/de/spektrumprojekt/i/timebased/config/EnergyCalculationConfiguration.java
	intelligence/src/main/java/de/spektrumprojekt/i/timebased/config/ShortTermMemoryConfiguration.java