[documentation] Updated all screenshots to be more uniform

Also, added xrandr screenshots

README.md

@@ -63,20 +63,20 @@ Here are some screenshots for all themes that currently exist:
 
 Gruvbox Powerline (`-t gruvbox-powerline`) (contributed by [@paxy97](https://github.com/paxy97)):
 
-![Gruvbox Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/powerline-gruvbox.png)
+![Gruvbox Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline-gruvbox.png)
 
 Solarized Powerline (`-t solarized-powerline`):
 
-![Solarized Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/powerline-solarized.png)
+![Solarized Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline-solarized.png)
 
 Solarized (`-t solarized`):
 
-![Solarized](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/solarized.png)
+![Solarized](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/solarized.png)
 
 Powerline (`-t powerline`):
 
-![Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/powerline.png)
+![Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline.png)
 
 Default (nothing or `-t default`):
 
-![Default](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/default.png)
+![Default](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/default.png)

bumblebee/outputs/i3.py

@@ -51,6 +51,10 @@ class Output(bumblebee.output.Output):
                     "separator_block_width": 0,
                 })
 
+            sep = theme.default_separators(widget)
+            sep = sep if sep else False
+            width = theme.separator_block_width(widget)
+            width = width if width else 0
             self._data.append({
                 u"full_text": "{}{}{}".format(
                     theme.prefix(widget),
@@ -61,8 +65,8 @@ class Output(bumblebee.output.Output):
                 "background": theme.background(widget),
                 "name": widget.module(),
                 "instance": widget.instance(),
-                "separator": theme.default_separators(widget),
-                "separator_block_width": theme.separator_block_width(widget),
+                "separator": sep,
+                "separator_block_width": width,
             })
             theme.next_widget()
 

themes/solarized.json

@@ -18,7 +18,7 @@
 		"bg-warning": "#b58900",
 
 		"default_separators": false,
-		"separator": "|"
+		"separator": ""
 	},
 	"date": {
 		"prefix": " "