[#1397] Send events when extensions fail to complete operation
[#1394/#1366] Fix the threshold telemetry issue
[#1298] Implementing extension sequencing in azure Linux agent
[#1340] Allow Clear Linux detection in python2 and python3
[#1345] FreeBSD swap issues fix (#1144)
[#1349] Use append_file in Redhat6xOSUtil.openssl_to_openssh()
[#1355] Ensure 'value' for authorized ssh keys end in "\n"
[#1361] Remove main module
This release also includes improvements in telemetry and bug fixes.