Add processcount
complete rewriting of the Web UI using bootstrap

fixes #461, #366 and #417
Correct an issue if args is None in the export load method
Update NEWS file
InfluxDB connection parameter in the Glances configuration file
Glances client can export stats grabbed from the server
Update NEWS file
Try/catch if InfluxDB is stopped
Merge branch 'feature/issue455' into develop

Conflicts:
	NEWS