Update README.md

Nikogiri -> Nokogiri
Updated french translation.
Merge pull request #42 from glennie/master

Thanks for the contribution :)
Update app/controllers/dmsf_upload_controller.rb

Updated to correct file unlock; although functionality for permissions needs to be moved from model however.
Resolution attempt for #46

all entities are listed including deleted items (which may have no revisions as a result of deletion)
if we call for the scoped listing with .visible should remove deleted items and rectify issue.
Relates to #50 should fix issue (awaiting user confirmation)
Fix attempt 2 for issue #50 - this any better?
Update README.md
Added russian localization
Fixed russian locale en -> ru
Merge pull request #59 from ux/master

Russian localization for DMSF
Russian localization strings fixes
Merge pull request #60 from ux/master

Updated some russian localization strings
Updated temp downloadable zip file permissions to 0644 - useful when using XSendFile apache module for file downloads
Line breaks converted to unix for file lib/dmsf_zip.rb
Created hack, when entries were selected and downloaded (by pressing download button) and after that downloading of other selected files couldn't be achieved without page reload (simply pressing download button does nothing).
Fix for Rails 3.1+ (Redmine 2.x), which does not contain prototype.js library anymore
Merge pull request #61 from ux/master

Improved compatibility with XSendFile apache2 module and Redmine 2.x
Resolves pull request #84
Resolve error in project_patch.rb #84