CLC-2540 - Fix issues for sprint 26 bug bash

https://jira.media.berkeley.edu/jira/browse/CLC-2540

CLC-2439 Format of units on course page disagrees with format on semester page	 Major - Major loss of function.
CLC-2528 Previous semesters only one per row	 Major - Major loss of function.
CLC-2531 My Academics - Class Page - instructors shouldn't have circles in front of them (FF)	 Major - Major loss of function.
CLC-2536 Errant text in My Academics > Class info page > Class Information card	 Major - Major loss of function.
CLC-2537 Units: Reformat as #.# and right align on My Academics > Semester page	 Major - Major loss of function.
CLC-2538 Make columns wider and right-align unit text on My Academics > Summary page	 Major - Major loss of function.
CLC-2535 Change Act As field to <input type="number">