added a header div to the top of the page
         addded the colors to the table rows(should be changed)
         added delete day.
         added day numbers on top
Merge branch 'master' of https://github.com/sandstroh/meeting-agenda-planner into halıtbranch
added some styling stuff to index.html
Merge pull request #29 from sandstroh/halıtbranch

Halıtbranch