Server requirements runtime is optional. Fixies #616.
Activate FormText in async to avoid UI freeze
Preferences refactoring. Fixes #594.

    - moved WidowPreferencePage to workbench plugin
    - renamed to WorkbenchPreferencePage
Duplicate SWT test editor handler removed and refactoring performed (fixes #622)
Tycho updated to 0.20.0
Avoid repetitive messages for UI chaining attempt (fixes #625)
Async calls are not performed correctly when executed from sync block (fixes #624)
Fail in predefinedButtonTest removed by correct evaluation (#fixes 626)
Marked wizard construcotrs with WizardDialog as deprecated. Fixes #571.
Continue button is actually pushed when deleting project #630
REDDEER-238: Initial GEF RedDeer layer implemented
JUnit tests jar emptyness fix (fixes #333)
Created Targeted runtimes property page Fixes: #595
Implement working with EditPart (fixes #629)
Extend getEditorByTitle by matching with part name (#636)
Lookup View if it lose focus right after it was opened #562
removed needless  wait when pressing finish in wizard dialog. #637
Fix failing requirement tests. Fixies #623
Added checks for shells to close in PreferencePage ok and cancel method. Fixes #639
Remote Systems view implemented. Fixies #642.