Py-timeexecution

Added
- Async decorator that can be used to log execution time of awaitable objects in Python >=3.5.

CHANGED
- ElasticSearch index template is now created according to ElasticSearch 5 changes is not compatible with ElasticSearch 2

Changed
- create ElasticSearch index following the index name pattern
- number of replicas in ElasticSearch template

Fixed
- lint error in threaded module

time_execution.backends.threaded.ThreadedBackend` is changed to start non-daemon thread for delivering metrics

Set the name to the thread in ThreadedBackend