added support for one line snippets with cursor

[vstirbu]

Inserts one line snippet console.log(_); with correct cursor position (_is the cursor), from the following template:

[
    {
        "name": "Console log",
        "trigger": "log",
        "usage": "",
        "description": "Creates a console.log",
        "template": "console.log(!!{cursor});"
    }
]

[zaggino]

@jrowny This works great, good to merge.