Cleaned-up system info.
Some other minor improvements.
Merge remote-tracking branch 'upstream/refactor' into refactor

Conflicts:
	plugins/system_info.py
	templates/plugins/system_info.html
Small API fix
Only load plugins conforming to the "NAME" convention.
Fixed helper functions for pull-request.
Merge branch 'plug_names' of https://github.com/teodoryantcheff/OSPy into refactor
Merge branch 'refactor' into radio