RCORE: remove obsolete test rules
RCORE: AIDA: provide AIDA_ASSERT() macro
RCORE: AIDA: add Aida::Signal, a simple signal system based on C++11 features
RCORE: TESTS: add unit tests for Aida::Signal
RCORE: aida.cc: assertion cleanups
RCORE: switch EventLoop API to use std::function for functor slots
RCORE: AIDA: add and test CollectorUntil0
AIDA: use Aida::Signal for generated code
AIDA: support a default callback for Signal()
AIDA: allow different instance class and member function class in slot bindings
UI: use Aida::Signal for adjustment
RCORE: AIDA: add and test CollectorWhile0
UI: use Aida::Signal for instance implementations
UI: convert cross-linking to use std::function notifiers
AIDA: remove left overs from old signal code
UI: remove obsolete typedef
RCORE: remove old signal system
BUILD: remove obsolete build options
Merge branch 'c++11-signals'

* c++11-signals:
  BUILD: remove obsolete build options
  RCORE: remove old signal system
  UI: remove obsolete typedef
  AIDA: remove left overs from old signal code
  UI: convert cross-linking to use std::function notifiers
  UI: use Aida::Signal for instance implementations
  RCORE: AIDA: add and test CollectorWhile0
  UI: use Aida::Signal for adjustment
  AIDA: allow different instance class and member function class in slot bindings
  AIDA: support a default callback for Signal()
  AIDA: use Aida::Signal for generated code
  RCORE: AIDA: add and test CollectorUntil0
  RCORE: switch EventLoop API to use std::function for functor slots
  RCORE: aida.cc: assertion cleanups
  RCORE: TESTS: add unit tests for Aida::Signal
  RCORE: AIDA: add Aida::Signal, a simple signal system based on C++11 features
  RCORE: AIDA: provide AIDA_ASSERT() macro
  RCORE: remove obsolete test rules