Fix doc build error under Python 3

Small fix to switch "print foo" to "print(foo)".

Change-Id: Ib49a5e9420a4ab2ab62db2886a78c070ff6c5ba0
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

.gitignore

@@ -17,6 +17,7 @@
 
 # Packages
 *.egg
+*.eggs
 *.egg-info
 dist
 build

doc/source/conf.py

@@ -52,7 +52,7 @@ if os.path.isfile(PATH) and os.access(PATH, os.R_OK):
             if fnmatch.fnmatch(line, '*' + pattern[4:]):
                 found = True
         if not found:
-            print line,
+            print(line)
 
 # The suffix of source filenames.
 source_suffix = '.rst'