-Added ability to get unused lockers given a building and term
-Added the ability to store a Rental
-Modified calculatePrice to use floats
-Fixed method naming error in DBProxy
-Fixed method naming error in Locker
-Modified RegisterStudent to return a student object
-Pressing Register will now pass a student object to the rental window
Merge branch 'master' of https://github.com/ESpearman/COMP3350-Group-Project
-Fixed called for current term id