Add "tsd.core.meta.enable_tracking" config option, defaults to false
Add TSMeta.metaExistsInStorage() to determine if a meta object exists
Add TSMeta.incrementAndGetCounter() to use atomic counters for tracking
timeseries as per Tsuna
Add TSMeta constructor that stores a given created timestamp
Add TSMeta.storeNew() that stores a new timeseris meta object without syncs
Fix possible issues to avoid corrupted storage data for TSMeta objects
Add total_dps field and getter to TSMeta
Change TSMeta.QUALIFIER to META_QUALIFER and add COUNTER_QUALIFIER to
differentiate between the columns
Fix TSMeta to throw an exception if a user tries to modify an entry that does
not exist instead of creating one
Modify TSMeta.getFromStorage() to load the last_received and total datapoints
from storage
Replace TSMeta.copyToStorageObject() with getStorageJSON() to serialize only
the fields we want to the data store