Storing exit values.

It introduces RemoveApplicationOperation class.
TODO: exit values are not stored properly
TODO: implement reading of the RemoveApplicationOperation
Related to issue karlitrotski/CodingSpectator/#2.
Pair programming with @cinai.
we added OperationTextChunk.append(int [] values)

To save processes' exit values in RemovedApplicationOperation.
Related to issue karlitrotski/CodingSpectator/#2
Pair Programming with @JurajKubelka
I tries to use ILaunchesListener2 instead of ILaunchListener.

Related to issue karlitrotski/CodingSpectator/#2.
Pair programming with @cinai.
Refactoring and code cleaning.

LaunchListener uses ILaunchesListener2 which implements launchesTerminated(...) event. It is called properly when a launch is terminated and we can store exit values.
Related to issue karlitrotski/CodingSpectator/#2.
Pair programming with @cinai.
Merge branch 'cinai-issue2'.

It tracks exit values of executed applications (executed from Run or Debug menu/icon).
Conflicts:
	plug-ins/common/edu.illinois.codingtracker.operations/src/edu/illinois/codingtracker/operations/OperationSymbols.java

It closes issue karlitrotski/CodingSpectator/#2.
Pair programming with @cinai.