[Twitter, OG] Implement Conditional Store

[solverat]

Q	A
Bug report?	no
Feature request?	yes
BC Break report?	no
RFC?	no

Based on selected type (og:type, twitter:card), all related fields should get loaded.

Example:

Type: (og:type): profile Load: og:title, og:url, og:image, profile:first_name and profile:last_name by default.