__init__ method from base class 'GlancesStats' is not called.

Python 2/3 compatibility shims.

The first argument should be the name of the child class that is calling
super() (GlancesPasswordList in this case).

Correct Grafana dashboard following https://github.com/nicolargo/glances/issues/648#issuecomment-152184064 comment

[WebUI] fix process count for stopped

[Web UI] Fix no nice decoration in processlist

[Web UI] Fix processlist IO cells not displayed

[WebUI] add "pointer" cursor for sortable columns

Already added with commit https://github.com/nicolargo/glances/commit/6bef4843be1c2e3c33441d5395524ceb192dd950.
Restore and update it with export modules support.

Use the same letter symbol for lm_sensors and hddtemp:
- C = Celsius
- F = Fahrenheit

Exclude battery from conversion too.

[WebUI] hide io read/write if value is not present

[WebUI] when alert is ongoing hide level

Close #694.

- use shields.io badges
- update Windows instruction