Returns generated sharer url.

@param network Social network key.
function createSharingUrl (network) {
      return this.baseNetworks[network].sharer
        .replace(/@url/g, encodeURIComponent(this.url))
        .replace(/@title/g, encodeURIComponent(this.title))
        .replace(/@description/g, encodeURIComponent(this.description))
        .replace(/@quote/g, encodeURIComponent(this.quote))
        .replace(/@hashtags/g, this.generateHashtags(network, this.hashtags))
        .replace(/@media/g, this.media)
        .replace(/@twitteruser/g, this.twitterUser ? '&via=' + this.twitterUser : '');
    }