[398775] Introducing Recipes helper
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
[398775] Recipe-based construction of Rete
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
[398775] Initial change impact of recipe-based Rete construction
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
Merge remote-tracking branch 'origin/master' into recipe-subplan-refactor
[398775] Updated recipes (+ marked as non-derived)
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
[398775] RecipeTraceInfo creation in OperationCompiler (incomplete)
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
[398775] Xcore pref changed: mark derived = false
 ASSIGNED - Introduce Rete recipes for pattern def traceability and
easier Rete portability 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=398775
[430791] Using Set<? extends EStructuralFeatures> for covariance in base
Merge branch 'master' into recipe-subplan-refactor
First draft of the new SubPlan
Second draft of the new SubPlan
[431206] Added mutable PBody getter to PQuery
[431206] Regenerated test queries with latest generator
added sequential processor executing job to specific job implementations
[429990] Refactor QueryExplorer to use Observables as the contents of
its viewers
  Introduced the usage of ObservablePatternMatchList on the
matcher level
  added setFilter method to ObservablePatternMatchList
  fixed issues in setFilter mechanism
  fixed a lot of QE UI bugs and added setFilter invocation
  added UPDATED state job to handle reordering when using
comparator
  updated testing.ui to meet the new API

Change-Id: I71ea5b9a5bf8fd12b88b15b7fe9c4be2d04cc17d
Signed-off-by: Tamas Szabo <tamas.szabo@itemis.de>
Signed-off-by: Abel Hegedus <hegedusa@mit.bme.hu>
[429990] fixed return value when duplicate element is found
[431207] Created error listener for IncQuery Base
Updated weak reference handling
[431207] Updated taintlistener on IncQueryEngine
[431207] Updated taint listener usage in Query Explorer