bump up to version 1.2.1-RC1
fixup to accept '0' pagename
fixup to accept '0' pagename
UserPreferences: fixup to show the previous page link
show preview for posting too long comment.
i18nize DeletePage

and fix to accept pagename '0'
RecentChanges macro: support 'item' and 'ago=30 hours' params
fixup commit a24e1078

fixup commit "rendering blockquotes more correctly"