Freedesktop Destop Entry

This package allows you to read and write Desktop Entry files.

With this package you can;
* serialize the opened Desktop Entry files to JSON.
* make changes to entry file
* overwrite the orginal file or save to another location
* preserve comments

##### constructor
``JSON.parse(JSON.stringify(value)) ` is used to clone passed object.

`javascript
let obj = {
"Desktop Entry": {
"comment": "inline comment",
"precedingComment": ["preceding multiline comment", "second line"],
"entries": {
"Type": { "value": "Application", "comment": "", "precedingComment": [] },
"Name": { "value": "Foo Viewer", "comment": " inline comment", "precedingComment": ["precedingComment of an entry"] },
"Exec": { "value": "fooview %F", "comment": "", "precedingComment": [] },
"Icon": { "value": "fooview", "comment": "", "precedingComment": [] }
}
}
}

let desktopEntry = new DesktopEntry(obj);
let desktopEntry = new DesktopEntry("/usr/share/applications/DesktopEntry.desktop");
`

##### get JSON
`javascript
console.log(JSON.stringify(desktopEntry.JSON, null, 2));
`
##### setValue
"Categories=Network;WebBrowser" => "Categories=Game"
`javascript
desktopEntry.setValue("Desktop Entry", "Categories", "Game")
`

##### addValue
Adds value to entry: "Categories=Network;WebBrowser" => "Categories=Network;WebBrowser;Game"
`javascript
desktopEntry.addValue("Desktop Entry", "Categories", "Game")
`

##### setComment
`javascript
desktopEntry.setComment("Desktop Entry", "Exec", "Beware!!")
`

##### setPrecedingComment
`javascript
desktopEntry.setPrecedingComment("Desktop Entry", ["Comment preceding this entry", "Second line"])
`

##### save
Returns a promise
`javascript
desktopEntry.save()
`

##### saveTo
Returns a promise
`javascript
desktopEntry.saveTo("/new/path/newfile.desktop")
``

Used some parts of code from node-file-parser