Bug 440289 - Combo Box in Editor 'Controls' inconsistent

- Changed the layout of the toolbar
- ToolItems converted to buttons
- ComboViewer is READ_ONLY again.
   
Change-Id: Ic3aff77b50b3475e4a3d63f824ffb8857aa5c018
Signed-off-by: Fabian Miehe <fabian.miehe@cassidian.com>
Bug 453921 - Remove *ui.js bundle from core tools feature
Bug 453528 - The E4 spies should be packed in only one feature

+ Added spies feature
+ Added model spy feature w includes the live editor
+ Changed category for update site
+ Added new modules to parent pom
+ removed live editor from core

Change-Id: I7d9e0f710b6dda29085e9c23d28ef8f9114debdb
Signed-off-by: Wim Jongman <wim.jongman@remainsoftware.com>
Ignore project file.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>