MemoryBoundLruHashMap and LruHashMap files replaced with corresponding classes in commons. ManagedBytes interface deleted: managedBytes functionality replaced with MemoryUsageEstimators.
licensing information added
Merge pull request #288 from sjundt/hank

Hank refactored to use commons's LruHashMap and MemoryBoundLruHashMap
Update SynchronizedCache to work with the liveramp-commons LruHashMap
replace SimpleDateFormat with equivalent from joda lib
Merge pull request #289 from LiveRamp/date_format

replace SimpleDateFormat with equivalent from joda lib
parameterized objects to suppress warnings