Merge branch 'eaton'

Merge branch 'eaton'

Conflicts:

	Makefile
	src/bp.cpp
	tests/testdai.cpp

Summary of changes done in branch 'eaton':
* [Frederik Eaton] Improved parsing code in tests/testdai to allow recursive
  alias substitutions
* Interface changes:
    TProb<T>::minVal()     -> TProb<T>::min()
    TFactor<T>::minVal()   -> TFactor<T>::min()
    TProb<T>::maxVal()     -> TProb<T>::max()
    TFactor<T>::maxVal()   -> TFactor<T>::max()
    TProb<T>::totalSum()   -> TProb<T>sum()
    TFactor<T>::totalSum() -> TFactor<T>::sum()
* [Frederik Eaton] Added methods setUniform (), sumAbs(), argmax() to TProb<T>
* [Frederik Eaton] Added TAGS, lib targets to Makefile
* [Frederik Eaton] Add useful aliases to aliases.conf