Fix SPARK_ACCESS_KEY to SPARK_ACCESS_TOKEN in the comment
Fixed #133 and moved US_TICK macro to core-common-lib
Updated implementation for delay() and issue #133 in core-common-lib
Use new SparkProtocol::send_event() interface for Spark.publish()
Merge pull request #132 from TechplexEngineer/patch-1

Fix SPARK_ACCESS_KEY comment
Implemented #104 - Run SPARK_WLAN_Loop() during long delays
Give high priority to OTA update during long delays
Merge commit 'dc4734e216c01d1d85e96372d7ccda51048ce99c' into compile-server2