Minor icon font downloader bugfix

Author: pawelad

README.md

@@ -86,6 +86,9 @@ Export 'play' and 'stop' icons, size 64x64:
 Export all icons in blue:  
 `$ icon-font-to-png --css font-awesome.css --ttf fontawesome-webfont.ttf --color blue ALL`
 
+Export all icons in blue, but using it's hex value:
+`$ icon-font-to-png --css font-awesome.css --ttf fontawesome-webfont.ttf --color blue '#0000ff' ALL`
+
 Or you can use `font-awesome-to-png`, without css and ttf arguments:  
 `$ font-awesome-to-png ALL`
 

icon_font_to_png/command_line.py

@@ -155,7 +155,9 @@ def run(arguments):
 def download_icon_font(icon_font, directory):
     """Download given (implemented) icon font into passed directory"""
     try:
-        return AVAILABLE_ICON_FONTS[icon_font]['downloader'](directory)
+        downloader = AVAILABLE_ICON_FONTS[icon_font]['downloader'](directory)
+        downloader.download_files()
+        return downloader
     except KeyError:  # pragma: no cover
         raise Exception("We don't support downloading font '{name}'".format(
             name=icon_font)