Merge branch 'nightly' into python3

# Conflicts:
#	data/interfaces/default/current_activity_instance.html
#	plexpy/activity_handler.py
#	plexpy/graphs.py
#	plexpy/helpers.py
#	plexpy/pmsconnect.py
#	plexpy/version.py
#	plexpy/webserve.py

Tautulli.py

@@ -34,7 +34,7 @@ import time
 import tzlocal
 
 import plexpy
-from plexpy import config, database, logger, webstart
+from plexpy import config, database, helpers, logger, webstart
 
 
 # Register signals, such as CTRL + C
@@ -115,7 +115,7 @@ def main():
 
     plexpy.SYS_UTC_OFFSET = datetime.datetime.now(plexpy.SYS_TIMEZONE).strftime('%z')
 
-    if os.getenv('TAUTULLI_DOCKER', False) == 'True':
+    if helpers.bool_true(os.getenv('TAUTULLI_DOCKER', False)):
         plexpy.DOCKER = True
 
     if args.dev: