Fix to dejavu.py script, small edits, removal of unecessary printing

DEPENDENCIES.md

@@ -10,7 +10,7 @@
 
 ## Dependency installation for Mac OS X
 
-Tested on OS X Mavericks. Needs [Homebrew](http://brew.sh) to be installed.
+Tested on OS X Mavericks. An option is to install [Homebrew](http://brew.sh) and do the following:
 
 ```
 brew install portaudio
@@ -27,3 +27,5 @@ sudo pip install MySQL-python
 
 sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
 ```
+
+However installing `portaudio` and/or `ffmpeg` from source is also doable. 

dejavu.py

@@ -72,6 +72,7 @@ if command == 'fingerprint': # Fingerprint all files in a directory
 elif command == 'recognize': # Recognize audio
 
     source = sys.argv[2]
+    song = None
 
     if source in ['mic', 'microphone']:
 

dejavu/__init__.py

@@ -32,7 +32,6 @@ class Dejavu(object):
         for song in self.songs:
             song_name = song[self.db.FIELD_SONGNAME]
             self.songnames_set.add(song_name)
-            print "Added: %s to the set of fingerprinted songs..." % song_name
 
     def fingerprint_directory(self, path, extensions, nprocesses=None):
         # Try to use the maximum amount of processes if not given.
@@ -134,9 +133,6 @@ class Dejavu(object):
                 largest_count = diff_counter[diff][sid]
                 song_id = sid
 
-        print("Diff is %d with %d offset-aligned matches" % (largest,
-                                                             largest_count))
-
         # extract idenfication
         song = self.db.get_song_by_id(song_id)
         if song: