Updated service tariff information

The service tariff page is updated:
1. Tariffs for "Payment Page Personalization" are removed.
2. Added information about access to funding.to parameters based on the tariff plan.
3. Conditions and duration of the "Initial" tariff plan (90 days) with automatic switch to "Standard" are reflected.
 
Note: ""Beta"" tariff plans cease to be effective from March 30, 2014, with automatic commission-free switch to current plans ("NormalBeta" → "Initial", "BusinessBeta" → "Business").