[#130721247] Flurry SDK 5.4.0 - added interstitials
Merge pull request #19 from PKowal/create_flurry_int_5.4.0_130721247

[#130721247] Flurry SDK 5.4.0 - added interstitials
release of Flurry 2.2.1 adapter SDK 4.2, containing Flurry Interstitials beta
Update adapters.config to not expose the real credentials
removed adapter from beta releases directory structure - as the adapter in STABLE RELEASE contains BETA for Flurry Interstitials
Merge pull request #20 from hkosacki/update_flurry_4.2.0

[132504151] Release of Flurry 2.2.1 adapter SDK 4.2