Removed viddl-rb, added youtube-dl

Gemfile

@@ -3,4 +3,3 @@ source "https://rubygems.org"
 
 gem "mumble-ruby"
 gem "spotify"
-gem "viddl-rb"

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.1.7)
+    activesupport (4.1.8)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -12,26 +12,16 @@ GEM
     i18n (0.6.11)
     json (1.8.1)
     libspotify (12.1.51.4)
-    mime-types (2.4.3)
-    mini_portile (0.6.1)
     minitest (5.4.3)
-    multi_json (1.10.1)
     mumble-ruby (1.1.2)
       activesupport
       hashie
       opus-ruby
       ruby_protobuf
       wavefile
-    netrc (0.8.0)
-    nokogiri (1.6.4.1)
-      mini_portile (~> 0.6.0)
     opus-ruby (1.0.1)
       ffi
     performer (1.0.1)
-    progressbar (0.21.0)
-    rest-client (1.7.2)
-      mime-types (>= 1.16, < 3.0)
-      netrc (~> 0.7)
     ruby_protobuf (0.4.11)
     spotify (12.6.0)
       ffi (~> 1.0, >= 1.0.11)
@@ -40,11 +30,6 @@ GEM
     thread_safe (0.3.4)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    viddl-rb (1.0.8)
-      multi_json (~> 1.10.0)
-      nokogiri (~> 1.6.0)
-      progressbar (~> 0.21)
-      rest-client
     wavefile (0.6.0)
 
 PLATFORMS
@@ -53,4 +38,3 @@ PLATFORMS
 DEPENDENCIES
   mumble-ruby
   spotify
-  viddl-rb

README.md

@@ -34,4 +34,4 @@ THE SOFTWARE.
 * All those who contribute to [Mumble](https://github.com/mumble-voip/mumble).  
 * [perrym5](https://github.com/perrym5) for [mumble-ruby](https://github.com/perrym5/mumble-ruby).
 * [Kim Burgestrand](https://github.com/Burgestrand) for [libspotify Ruby bindings](https://github.com/Burgestrand/spotify).
-* [Marc Seeger](https://github.com/rb2k) for [viddl-rb](https://github.com/rb2k/viddl-rb).
+* [Ricardo Garcia](https://github.com/rg3) for [youtube-dl](https://github.com/rg3/youtube-dl).