Adjusted toString method to improve code reuse

#3: Sections with more than 2 meetings do not display all times/days 

Task-Url:
http://github.com/CourseScheduler/scheduler-legacy/issues/issue/3
Section toString implementation

#3: Sections with more than 2 meetings do not display all times/days 

Task-Url:
http://github.com/CourseScheduler/scheduler-legacy/issues/issue/3
Initial Term toString implementation.

#3: Sections with more than 2 meetings do not display all times/days 

Task-Url:
http://github.com/CourseScheduler/scheduler-legacy/issues/issue/3
Improved code reuse for Uiversity toString.

#3: Sections with more than 2 meetings do not display all times/days 

Task-Url:
http://github.com/CourseScheduler/scheduler-legacy/issues/issue/3
Initial Meeting toString method.

#3: Sections with more than 2 meetings do not display all times/days 

Task-Url:
http://github.com/CourseScheduler/scheduler-legacy/issues/issue/3
Merge branch 'mike/datamodel' into feature/datamodel