Minor edit, spelling fix in comment
Fix coding style
Include donate URL in context
Include generic donation link in footer
Consistent with other location
Update po files
Merge remote-tracking branch 'chris/space'
Merge remote-tracking branch 'lukakama/master'
Document new permission
Merge remote-tracking branch 'yola/nijel/spelling'
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Currently translated at 8.7% (81 of 927)
Translated using Weblate (Simplified Chinese)

Currently translated at 100.0% (13 of 13)
Merge remote-tracking branch 'origin/master'
Model for tracking changes in a dictionary (issue #242).
Support for displaying more complex history (issue #242)
Filter also non unit based changes
Show revert only when change has unit
Optimize changes page by prefetching objects
Changes tracking for dictionary (closes #242)