typo: trailing spaces
Merge branch 'bugfixes'

Conflicts:
	sources/pyperfstore2/pyperfstore2/manager.py
fix: undefined date in cgrid_state
timestamp properly displayed again
avoid undefined values on renderer
fixed date renderer behavior for all calls
fix 1970 date in minichart
fix spark line redraw
fix, check timestamp value in cspark redraw
add: check for a connector_name
fix: check if key exist
fix: initialize Cdowntime with logger and not storage
Merge branch 'develop' of github.com:capensis/canopsis into develop
fix: define default extract command in build-install.sh:extract_archive()
changed filename mongodb
changed mongodb name in external and the way it is extracted
removed wrong error messages
fix: use insert instead of upsert if _id is null in cstorage.put()
add: comments
Merge branch 'develop' of github.com:capensis/canopsis into develop