[FEATURE] Toggle for page and content template registration

This toggle is added as an extension manager setting which when *enabled*, will *disable* the corresponding template category.

The reason for not reversing this logic is the assumption that the primary use case for the extension is to use both content and page templates.
Merge pull request #75 from NamelessCoder/toggles

[FEATURE] Toggle for page and content template registration
[TASK] Jumbotron cleanup
[REDO] Crappy spaces. Commited by mistake
Merge pull request #77 from randomresult/CleanUp

Clean up Jumbotron
[TASK] Moved assets to TS
Merge pull request #78 from randomresult/ASSET

[TASK] Moved assets to TS