Fixed Breadcrumb in Assignments#new
Fixed Breadcrumb in Assignments#new

This solves issue #183

mkoon/gradecraft-development,UM-USElab/gradecraft-development,peterkshultz/gradecraft-development,zqian/gradecraft-development,UM-USElab/gradecraft-development,peterkshultz/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,mkoon/gradecraft-development,zqian/gradecraft-development,mkoon/gradecraft-development,zqian/gradecraft-development,peterkshultz/gradecraft-development