Further work on Australis integration.  Remove context menu on Clippings toolbar button (does not apply to pre-Australis UI)
Added comment referencing breakage on Firefox 29a and 30a (issue #7)
Added more explanatory notes
Changed home page URL for Clippings to point to new SourceForge website; set
min version of Firefox and Thunderbird back to 17.0
Added constant for the extension's ID
Updated copyright date
Added method getFileFromURL()
Bug fix: Failure at nsIClippingsExtension::installDir on Firefox 29a1
(and newer) (issue #7)
Removed redundant XPCOM component nsIClippingsExtension
Removed redundant XPCOM component nsIClippingsExtension