prefer non link-local v6 addresses
Open email client and refresh email with mouse click
Add display and critical limit in the disk module
CURRENT_NOW isn't always present
Make battery colors configurable
Add alert on CPU load
Merge pull request #50 from afics/master

Prefer non link-local v6 addresses
Merge pull request #51 from sbrunner/dev

Some litile improvments
Update README for #51 and #50

Added list of past and current contributors
Minor readme updates