add docs for folders and drag and drop
Correct error re: output_buffering. This should be propagated to all versions.
Two new "What's New" pages for OC7 admin and user manuals
Some small clarity fixes.
fix typo closes #381
Merge pull request #538 from owncloud/syntax-fi

fix typo closes #381
Merge pull request #536 from owncloud/alrac3

corrected 'output_buffering' error
Merge pull request #537 from owncloud/alrac4

Two new "What's New" pages for OC7 admin and user manuals
Merge branch 'master' into alrac2

Conflicts:
	admin_manual/configuration/configuration_mail.rst