Fix tutorial with link to filer installation instructions
Merge pull request #1911 from yakky/feature/doc_filer_fix_24

Fix tutorial with link to filer installation instructions
Fixes #1004
Adding some information on using pip and virtualenv

Backport to 2.4 of #1908
Backport minor installation rewording to 2.4
Merge pull request #1923 from yakky/feature/virtualenv_doc_backport

Backport of #1908 installation doc
Test for #1919
Cache-busting in show_placeholder if page in preview mode
Merge pull request #1927 from yakky/feature/show_placeholder_uncached_preview

Test and fix for #1919
Merge branch 'support/2.4.x' into develop
fixed tests
fixes #1971
fixes #1976 and #1957
fixes a i18n issues
Merge branch 'fix-1971' into fix-1976
Merge pull request #1983 from digi604/fix-1971

fixes #1971
Merge pull request #1984 from digi604/fix-1976

Fix 1976
fixed a bug with publishing and mptt conflicts
revert
locales
fixes a plugin ordering problem