Update README.rst

Merge pull request #39 from paul-breen/master

Mods. to the way FOI ID is parsed in SOS.Map.

New option to parse FOI ID from gml:name element in SOS.Map.

Mods. to SOS.MapSet.js.

Merge pull request #37 from paul-breen/master

The displayMessage function can close message box on click.

Mods. to CSS to correctly position the SOS.App busy indicator.

CSS class to position message box for SOS.App.

Minor mod. to displayMessage utility function.

SOS.App now shows busy indicator when loading data from SOS.

Mods. to busy indicator utility object.

Merge pull request #36 from paul-breen/master

Added entryFilter function to SOS.Menu for offerings and observedProperties.

Merge pull request #35 from paul-breen/master