FIX Broken links on dependent pages tab
Merge pull request #1119 from micmania1/fix-broken-links-dependent-pages

FIX Broken links on dependent pages tab
BUG sprintf missing on exception in SilverStripeNavigator
Merge pull request #1127 from halkyon/sprintf_missing

BUG sprintf missing on exception in SilverStripeNavigator
Add an extension hook to the getIsModifiedOnStage method
Merge branch 'guywatson-patch-1' into 3.1
Update translations
FIX Link issue

#1117