* [metasearch] Use QgsFilterLineEdit for keyword search box
* [metasearch] Remove version number from dialog title
This is no longer required now that the plugin is bundled with
QGIS - the version number now follows QGIS version numbering
* Capitalization, ellipsis
* [metasearch] Use a question messagebox
Adds GIS File link type to known link types, and for records with
a FILE:GEO link enables a new "Add GIS File" action. Clicking this
adds the linked GIS file to the current project.
