Sir Trevor: improve adding links
Merge pull request #1 from Dietr/sir-trevor

Adapt Sir Trevor styles to fit better into fork
Sir Trevor: make sure event handlers don't pile up
This caused adding multiple links add once
Sir Trevor: WIP - let the sir trevor editors work in the pages module
Sir Trevor: WIP - make sure the editor works in the pages module
Sir Trevor: use the reinialize function, it uses the orignal options
Sir Trevor: WIP pages module - make sure the link code is reused when reinitializing
Sir Trevor: add support for the video block
Sir Trevor: update javascript files
Sir Trevor: WIP - implement sir trevor in the pages module