fix undoStack
Merge remote-tracking branch 'origin/master' into projection_model
editor merged
compare editor working
multi annotation changes, fix annotation modifyAnnotation, fix tooltip title HTML escaping
Merge branch 'projection_model'
Merge branch 'master' of ssh://git.eclipse.org/gitroot/orion/org.eclipse.orion.client
removed println
removed println
adding folding to editor (still disabled)
Bug 357159 - Choose between outline providers
Bug 357881 - [user] Schrödinger's login
Bug 358126 - Error when adding/removing comment block delimiter
Bug 348133 - Would love to see thumbnails for images in navigator
Merge commit '0de793a8637f4535297be3f78ca07a1d2bb1d788'
Bug 352782 - Improve behavior of content assist on backspace key
Refactoring diff provider slightly
Bug 358162 - showing a command's tooltip in the UI

Also added some comments around the fix for Bug 350584.
Bug 351208 - [client] Compare With Each Other should be text rather than icon
Bug 358272 - Support multiple validation services for a file