Different ways of producing the recommendations are now in a separate file.
Also added frequency-based recommendation
Merge branch 'master' of https://github.com/ntnu-smartmedia/elephant

# By Dag Einar Monsen
# Via Dag Einar Monsen
* 'master' of https://github.com/ntnu-smartmedia/elephant:
  Merge branch 'master' of github.com:ntnu-smartmedia/elephant
  Create evaluation package.
  Create skeleton code for SimpleKNN.get_rating()

Conflicts:
	src/recommenders/SimpleKNN.py