Fix CSS bug when selecting multiple countries. Bug 1019147.

- Slightly optimize event handling on provider link tracking.
Merge pull request #2068 from jpetto/bug-1019147-country-select-css-fxos-devices-page

Fix CSS bug when selecting multiple countries. Bug 1019147.
Fix Bug 1010132, improved Flash reporting for beta plus versions of Fx
Merge pull request #2073 from ossreleasefeed/bug1010132-flash13_0_0_206_incorrectly_shown_as_latest

Fix Bug 1010132, improved Flash reporting for beta plus versions of Fx