copy 0.8.4 doc updates into master

CHANGELOG.txt

@@ -12,7 +12,7 @@ Changelog
  * When copying pages, it is now possible to specify a place to copy to (Timo Rieber)
 
 
-0.8.4 (xx.xx.2014)
+0.8.4 (04.12.2014)
 ~~~~~~~~~~~~~~~~~~
 
 * Fix: It is no longer possible to have the explorer and settings menu open at the same time

docs/releases/0.8.4.rst

@@ -17,7 +17,3 @@ Bug fixes
  * Page IDs in page revisions were not updated on page copy, causing subsequent edits to be committed to the original page instead
  * Copying a page now creates a new page revision, ensuring that changes to the title/slug are correctly reflected in the editor (and also ensuring that the user performing the copy is logged)
  * Prevent a race condition when creating Filter objects
-
-
-Upgrade considerations
-======================

wagtail/project_template/requirements.txt

@@ -1,6 +1,6 @@
 # Minimal requirements
 Django>=1.7,<1.8
-wagtail==0.8.1
+wagtail==0.8.4
 
 # Recommended components (require additional setup):
 # psycopg2==2.5.2