Added progress bar markup
Added basic styling for progress bar
Added song duration to the JS song object
Added duration int to songs table
Added duration formatting for progress bar
Updated migrations to include song start time
Added start time updates to songs
Further styling of progress bar
Added a footer yeild
Put inclusion of the public/js/index.js to be in the footer of the page for dom loading purposes
Updated the styling of the progress bar to be black/gray colors
Added in progress bar JS code
Added in final progress variables and markup
Merge branch 'issue-3' of https://github.com/fredlawl/tap-music into fredlawl-issue-3

Conflicts:
	com.tapmusic.www/public/js/index.js