Merge pull request #35 from SCPR/design_template

adds {% url index %} tags for hardcoded links to index page
adds link to email this page function
adds &body=View KPCC's Fire Tracker here: {{ request.build_absolute_uri|urlencode }} to share via email
adds {{ request.build_absolute_uri|urlencode }} to tumblr, twitter and facebook sharing to close #17
Merge pull request #36 from SCPR/design_template

adds {{ request.build_absolute_uri|urlencode }} function to social sharing links on the index page to close #17
standardizes metadata descriptions on index.html template
Merge branch 'master' of github.com:SCPR/firetracker