update gallery-dl.conf and add gallery-dl-example.conf

- gallery-dl.conf contains all config options set to their default
  values, with the exception of 'filename', 'directory', and
  'cache.file'

- gallery-dl-example.conf contains a potential real-world configuration
  file and demonstrates some more involved options

docs/gallery-dl-example.conf

@@ -1,136 +1,111 @@
 {
-    "base-directory": "/tmp/",
-    "netrc": false,
+    "base-directory": "~/gallery-dl/",
+    "netrc": true,
+    
+    "cache": {
+    	"file": "~/gallery-dl/cache.sqlite3"
+    },
 
     "downloader":
     {
-        "part": true,
-        "part-directory": null,
-        "http":
-        {
-            "rate": null,
-            "retries": 5,
-            "timeout": 30,
-            "verify": true
-        }
+        "part-directory": "/tmp/.download/",
+        "rate": "1M",
+        "retries": 3,
+        "timeout": 8.5
     },
+
     "extractor":
     {
-        "archive": null,
-        "proxy": null,
-        "skip": true,
-        "sleep": 0,
+        "archive": "~/gallery-dl/archive.sqlite3",
+        "proxy": "http://10.10.1.10:3128",
 
         "pixiv":
         {
-            "user":
+            "archive": "~/gallery-dl/archive-pixiv.sqlite3",
+
+            "filename": "{id}{num}.{extension}",
+            "directory": ["Pixiv", "Works", "{user[id]}"],
+
+            "username": "foo",
+            "password": "bar",
+
+            "favorite":
             {
-                "directory": ["{category}", "{user[id]}"]
+                "directory": ["Pixiv", "Favorites", "{user[id]}"]
             },
+
             "bookmark":
             {
-                "directory": ["{category}", "my bookmarks"]
-            },
-            "ugoira": true,
-            "username": null,
-            "password": null
-        },
-        "batoto":
-        {
-            "username": null,
-            "password": null
-        },
-        "exhentai":
-        {
-            "wait-min": 3,
-            "wait-max": 6,
-            "original": true,
-            "username": null,
-            "password": null,
-            "cookies": {
-                "igneous": null,
-                "s": null,
-                "yay": "louder"
+                "directory": ["Pixiv", "My Bookmarks"],
+
+                "username": "foo123",
+                "password": "bar123"
             }
         },
-        "nijie":
+
+        "exhentai":
         {
-            "username": null,
-            "password": null
-        },
-        "sankaku":
-        {
-            "wait-min": 2,
-            "wait-max": 4,
-            "username": null,
-            "password": null
-        },
-        "seiga":
-        {
-            "username": null,
-            "password": null
-        },
-        "gelbooru":
-        {
-            "filename": "{category}_{id:>07}_{md5}.{extension}",
-            "api": true
-        },
-        "reddit":
-        {
-            "refresh-token": null,
-            "comments": 500,
-            "morecomments": false,
-            "date-min": 0,
-            "date-max": 253402210800,
-            "date-format": "%Y-%m-%dT%H:%M:%S",
-            "id-min": "0",
-            "id-max": "ZIK0ZJ",
-            "recursion": 0
+            "cookies":
+            {
+                "ipb_member_id": "12345",
+                "ipb_pass_hash": "1234567890abcdef"
+            },
+
+            "proxy":
+            {
+                "http": "http://10.10.1.10:8080",
+                "https": "https://10.10.1.10:443"
+            },
+
+            "filename": "{num:>04}_{name}.{extension}",
+            "directory": ["{category!c}", "{title}"],
+
+            "wait-min": 1.0,
+            "wait-max": 5.0
         },
+
         "flickr":
         {
-            "access-token": null,
-            "access-token-secret": null,
-            "metadata": false,
-            "size-max": null
+            "access-token": "1234567890-abcdef",
+            "access-token-secret": "1234567890abcdef",
+            "size-max": 1920
         },
-        "deviantart":
+
+        "reddit":
         {
-            "refresh-token": null,
-            "flat": true,
-            "mature": true,
-            "original": true
+            "morecomments": true,
+            "date-min": "2017-01",
+            "date-format": "%Y-%m",
+            "recursion": 1
         },
-        "gfycat":
+
+        "sankaku":
         {
-            "format": "mp4"
-        },
-        "imgur":
-        {
-            "mp4": true
+            "sleep": 2,
+            "wait-min": 5.0,
+            "wait-max": 5.0,
+            "cookies": "~/gallery-dl/cookies-sankaku.txt"
         },
+
         "tumblr":
         {
-            "posts": "photo",
-            "inline": false,
-            "reblogs": true,
-            "external": false
-        },
-        "recursive":
-        {
-            "blacklist": ["directlink", "oauth", "recursive", "test"]
-        },
-        "oauth":
-        {
-            "browser": true
+            "posts": "all",
+            "external": false,
+            "reblogs": false,
+            "inline": true,
+
+            "likes":
+            {
+                "posts": "video,photo,link",
+                "external": true,
+                "reblogs": true
+            }
         }
     },
+
     "output":
     {
-        "mode": "auto",
-        "shorten": true,
-        "progress": true,
-        "logfile": null,
-        "unsupportedfile": null
+        "mode": "terminal",
+        "logfile": "~/gallery-dl/log.txt"
     }
 }