Revert "Added Lap Tracker Mockup"

This reverts commit 89cd90c89f3f6375c232131ae20548f7f9c7e387.
Merge remote-tracking branch 'upstream/master'
Readded lap tracker mockup, deleted by mistake
Added HTML pages for milestones and home page, as well as pages for adding and modifying milestones
Merge pull request #9 from rjk6779/master

Added Milestone and Home HTML Pages