Temporary fix for a problem where most browsers cannot parse the JSON file that is read through the File API.

Jira issue: APPPARTY-52
Fixes the issue on most desktop browsers and mobile firefox on Android but not on mobile chrome

Jira issue: APPPARTY-52
Reverses the readme.

Jira issue: APPPARTY-52
Starts file transfer when an item is added to the funnel and playback once the first item is downloaded.

Also:
- fixes an issue where the local music collection is not refreshed when the page reloads
- sorts and rebuilds the party collection when items are added
- fixes an issue with the funnel visualization

Jira issue: APPPARTY-48
Merge pull request #23 from eelcocramer/APPPARTY-48

Starts file transfer when an item is added to the funnel and playback on...
Merge pull request #22 from eelcocramer/APPPARTY-52

Fixes an issue where JSON from a Blob can not be read on mobile browsers