Update copyright year to 2014
PDIO-10 PDIO-266 Returned Option[T] data for optional mongo field (items endtime and u2i v fields)
PDIO-266 Added simple example reading optional endtime from mongo
PDIO-270 Remove printing out of every single write from Cascading to MongoDB
PDIO-269 Add support of engine level training scheduling
PDIO-269 Training schedule frontend
PDIO-269 Cron based scheduling in the scheduler
PDIO-266 Support starttime and endtime item filtering in itemrec model con
PDIO-266 Support starttime and endtime filtering in itemsim algo model con
PDIO-269 Fixed invalid cron expression
PDIO-266 Add new param recommendationTime in init.json and Scheduler
Merge branch 'develop' of github.com:PredictionIO/PredictionIO into develop
PDIO-269 Add scheduler sync when engine settings are updated
Merge branch 'develop' of github.com:PredictionIO/PredictionIO into develop
Add year range
PDIO-271 Use the correct database for offline evaluations
PDIO-272 Take numSimilarItems simiids in mahout itemsim model con
PDIO-273 Do not merge seen item preference in mahout model con if implicit actions
PDIO-266 Use mahout hadoop itembased algo's param "itemsFile" to specify valid items in recommendation
PDIO-275 Use log-likelihood as default