* release/1.6.12:
  add comment to document use of Splunk auth token
  update changelog and release version number in files
  error in checking to see if error output is a TextIOBase
  update version of embedded six.py
  update modular inputs to use text TextIO consistently across 2.7 and 3.x
  run tests in Splunk 8.0
  Changed permissions from 755 to 644 for python files to pass appinspect checks
  Remove version check on ssl verify toggle
  Bearer token support (using Splunk Token presented in v7.3)