simplenews 6.x-2.0-alpha2

Changes since 6.x-2.0-alpha1:

• #1036036 by julianmancera: 'Published', 'Sent' and 'Status' columns are empty
• #1069570 by dankh: Define hooks on subscribe/unsubscribe user
• #1112310 by sgabe, Simon Georges: Mimemail API change
• #1084328 by fenstrat: Help should reflect new Newsletter node tab
• Update README file to mention the multi-signup block.
• #1069212 by dankh: Actions not deleted on newsletter/newsletter issue delete
• #1021110 by Simon Georges: Difference between hook_schema() and simplenews_update_6254()
• Removing translation directories
• Stripping CVS keywords
• #1070550 by dankh: Some variables don't get deleted after newsletter delete
• #1069174 by dankh: Actions configure form enhancements
• #1052050 by J.B: Default Format (html) not applied in new newsletter
• #1029886 by miro_dietiker: initialize
• changelog update history
• #781708 by miro_dietiker, DrupOn: fix simplenews tab
• #1025408 by ufku: typo in status messages
• #1012168 by miro_dietiker: fix upgrade hook
• formatting
• #1012308 by Simon George, add changelog