Fix el-parent.pt to omit duplicated child li elements

li elements are rendered by child Links.
Require kotti_tinymce 0.5.0.  Remove js.tinymce from requirements (now bundled with kotti_tinymce).
Fix editor-bar logout link to be urlencoded appropriately
Merge pull request #354 from mete0r/fix-editor-bar-template-links

Fix editor bar template links
Merge remote-tracking branch 'origin/master' into feature/bower

* origin/master:
  Fix editor-bar logout link to be urlencoded appropriately
  Require kotti_tinymce 0.5.0.  Remove js.tinymce from requirements (now bundled with kotti_tinymce).
  Fix el-parent.pt to omit duplicated child li elements