Fix secure pastes visibility in Activity and Search.
Restrict visible pastes to given :project.
Add wiki macro for pastes.
Fix visible scope definition to include projects the user is a member
of.  Use it as the default Paste scope.
Use paste title in the wiki macro expansion link.
Fix paste visibility on project level.
Fix default scope for pastes.
Fix activity view.
Spanish translation
Merge pull request #23 from JuanCarlosV/master

Spanish translation
Fix default visible scope: use lazy evaluation.
Merge branch 'master' of github.com:commandprompt/redmine_pastebin
Merge remote-tracking branch 'upstream/master'
Ignore .DS_Store