Add support for SyntacticResource to BIUTEE
Move RuleWithConfidenceAndDescription to common project
Complete the move of RuleWithConfidenceAndDescription to common project, and change the SyntacticResource accordingly to return rules with confidence and description
work on ClassifierFactory
Work on ClassifierFactory
Complete work on ClassifierFactory, removing many old classes
Merge remote-tracking branch 'upstream/master'
minor
Merge branch 'master' of https://github.com/astern7/Excitement-Open-Platform
SimilarityStorageBasedDIRTSyntacticResource was modified in order to
support the new SyntacticResource interface
Sections for redis-based dirt and reverb  syntactic resources were added
to the biutee.xml configuration file
Add enum items for REDIS DIRT-like knowledge resources
minor: print verbose error messages
Move FlippedBidirectionalMap to common
Correctness rule-tree mapping at
SimilarityStorageBasedDIRTSyntacticResource, based on
FlippedBidirectionalMap 

Commented properties at buitee.xml configuration, for redis-based
knowledge resources, based on existing running servers
element-class property was added to Reverb module at biutee.xml
BasicRedisRunner is now thread-safe
Add close method to SyntacticResource
Implementation of the new close() method of SyntacticResource interface
minor