Update default updateFreq in README
Update client to resend check-in request after a configurable number of max attempts, also delete the clients registration data when an offline event is received to address an edge case where the registry sets the app as offline, but the app then starts checking in again with the same meta data
Rename the client options for max attempts before retry
Add new max attempts before retry to optimist, update README
Revert changes for attempts after retry, rename registration cache in Client to avoid confusion with the registration module
Remove old stuff from README
Remove old spaces in README
Remove old spaces in README
Merge pull request #7 from RBeaudoin/master

Updates to client to address edge cases with client check-in