CLC-2401 Extract lookup_student_id function
Merge pull request #1609 from ctweney/clc-2401-followup

CLC-2401 Extract lookup_student_id function
CLC-2583 - Update front-end gems
https://jira.media.berkeley.edu/jira/browse/CLC-2583

**Note** Please wait till Travis.CI gives an ok
Merge pull request #1607 from christianv/CLC-2583

CLC-2583 - Update front-end gems
[CLC-2506] Implementation without tests
[CLC-2506] Fixed implementation with tests
[CLC-2506] Classical for syntax
[CLC-2506] Explicit route definitions