add downtimes plugin on graphs
fix: bug when no data are given to timegraph
added csv download function
Merge branch 'livereporting-exclusion' into develop
Merge branch 'develop' of https://github.com/capensis/canopsis into develop
debug live reporting exclusions
Merge branch 'develop' into livereporting-exclusion

Conflicts:
	sources/webcore/var/www/canopsis/app/controller/ReportingBar.js