updated tests to use lib directory
added blackout functionality
always load from shared preferences
added reyna-2.7
validate times
added reyna-2.7
allow TimeRange to be null
deal with case of no active network
do not send messages if there is no connection
added version 2.7
refactored isConnected and isInBlackout to a single call to reduce calls to get active network
added version 2.7