[Feature] Use cocoapods to handle the Facebook SDK dependencies

[peterpeterparker]

I'm submitting a ...

[X] feature request / reminder

Expected behavior:

As discussed in #634, would be cool, one of these days, to manage the Facebook SDK for iOS dependencies thru cocoapods instead of having the SDK itself in the plugin repo/project

Priority

Minor

Update

Actually I'm not that sure anymore about this. In some extension, it's cool to have the lib outside the plugin, on the other hand, having it shipped with allows us to double check the header files for broken changes when we apply a Facebook SDK for iOS...