102: Student Import - New Procedure 

Task-Url: https://github.com/maine207/aspen/issues/issues/issue/102

Code cleanup - imports, comments, formatting.
102: Student Import - New Procedure 

Task-Url: https://github.com/maine207/aspen/issues/issues/issue/102

Updated Java source to skip rows missing a first or last name for the
student.
Merge pull request #112 from maine207/mco/student-import

Mco/student import