Use custom startify range

That way it doesn't interfere with my 3<leader>u workflow.
Experiment: swap default/clipboard register mapping
Updated submodules
Some snippet fixes
Update submodules
Fix html snippet: use id instead of class
Better markdown snippets

Fix attributes (word boundary instead of beggining), and add blockquote.
Git aliases: +"root", -"unstage-all"
Update submodules