update dispersy pointer
adapt communities to dispersy per-class logger + pep8 fixes
Merge pull request #722 from LipuFei/fix_community_logger

Fix community logger
Update dispersy ref.
Merge pull request #723 from whirm/update_dispersy

Update dispersy ref.
Mousewheel support for Mac
Merge pull request #725 from egbertbouman/mac_mousewheel

Mousewheel support for Mac
fix metadata injector
fix SwiftProcess