FLOE-113: Implemented the audio metadata panel.
FLOE-113: Replaced tabs in style.css with spaces.
FLOE-113: Fixed the panel flickering issue in the audio metadata panel when switching btw audio attributes.
FLOE-112: Significant changes to the way the markup has been structured. The application now lays out properly in mobile resolution, and scales for larger displays. Styling modified to match the demo more closely.
FLOE-112: Added greeting text.
Merge remote-tracking branch 'jobara/FLOE-112' into FLOE-112
Merge remote-tracking branch 'cindyli/FLOE-113'

* cindyli/FLOE-113:
  FLOE-113: Fixed the panel flickering issue in the audio metadata panel when switching btw audio attributes.
  FLOE-113: Replaced tabs in style.css with spaces.
  FLOE-113: Implemented the audio metadata panel.
Merge branch 'master' into FLOE-112
Merge remote-tracking branch 'jhung/FLOE-112' into FLOE-112