Added framework for calculating previous burst average
Adding predicate for checking past CBU burst history
Adding nonpreemptive shortest previous burst implementation
Added ability to add alpha variable for previous burst algorithms
Adding preemptive shortest previous burst algorithm
Merge branch 'master' of https://github.com/rsingla92/CPUScheduler into ShortestPreviousBurst
Fixing spacing issues
Adding the getters/setters for alpha I forgot
Fixing a whitespace problem... Damn tabs
Merge pull request #54 from rsingla92/ShortestPreviousBurst

Shortest previous burst