digests 6.x-1.0

This is a stability release recommended for everyone. You should clear the menu cache after upgrading (if you don't know how to do this, just run update.php).

Changes from 6.x-1.0-beta1

Issue #1259944 by IceCreamYou: Added a 'send digest emails now' button.
Issue #1349074 by IceCreamYou: Fixed Digests default Rules aren't compatible with the Activity Log translation fix.
Issue #1348770 by ezra-g: Fixed Digests should be defined as 'Default' rather than 'Custom'.
Issue #1292122: Email digests not being sent. - fixing a DB error
Issue #1258682 - user warning: Column 'nid' in where clause is ambiguous query
Issue #1256732 - Daily email summaries are not being sent at the correct time of day
Apply node access controls to node activity messages
Added user pictures to activity messages by James Elliott, Jesse Beach
Issue #1242858 - Optionally use the theme's logo instead of specifying path by mikestefff, IceCreamYou
Make node authors' names be linked to their profiles
Fixed logo not working
Issue #1237978 - If the digests are not set to use local timezone, no email is sent by BogdanN
Fixing template IDs overlapping