FLOE-208: Adding overview panel to feedback demo

Also performed some textual and link updates to the metadata authoring tool's overview panel to make things more consistent and accurate. Some minor refactoring to put the shared css into the shared directory.
FLOE-208: Updated instructions.

Modified the instructions so they read a bit better and are presented better in IE.
FLOE-208: Adjusting the icons in the instructions

The icons used in the overview panel's instructions were too large and didn't have a border in the default theme.
FLOE-208: Fixed line-height issue in overviewPanel
FLOE-208: Adjusted the overview panel icon

Adjusted the size of the overview panel icon and shifted the feedback tools metadata icons further to the right.
FLOE-208: More line-height tweaks

The instruction text is overridden to inherit the line-height. This allows it to work with UI Options.
FLOE-208: More adjustments to the `*` icon

Made more adjustments to the `*` icon for the overview panel to account for changes to "underline and bold" from UI Options.
Merge remote-tracking branch 'justin/FLOE-208'

* justin/FLOE-208:
  FLOE-208: More adjustments to the `*` icon
  FLOE-208: More line-height tweaks
  FLOE-208: Adjusted the overview panel icon
  FLOE-208: Fixed line-height issue in overviewPanel
  FLOE-208: Adjusting the icons in the instructions
  FLOE-208: Updated instructions.
  FLOE-208: Adding overview panel to feedback demo