Uniform styling for week and month headers

• Type: Sub-Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: master
• Fix Version/s: 2.0.x, master, master-deprecated, 3.0.x, 2.0.0.40-deprecated, 2.0.0.45-deprecated, 3.1.x
• Component/s: Scheduler
• Labels: None
• Git Pull Request: https://github.com/brandizzi/alloy-ui/pull/10

It was determined that the styling for the column headers in the week and month views should be uniform in appearance. Additionally, with the exception of the blue line that designates the current day, the column header in the day view should be absent entirely due to redundancy.