Add .spec as a supported Python and Ruby extension

samples/Python/spec.linux.spec

@@ -0,0 +1,22 @@
+a = Analysis(['portablizer.pyqt4.py'],
+             hiddenimports=[],
+             hookspath=None,
+             runtime_hooks=None)
+pyz = PYZ(a.pure)
+exe = EXE(pyz,
+          a.scripts,
+          exclude_binaries=True,
+          name='Portablizer',
+          debug=False,
+          strip=None,
+          upx=True,
+          console=False)
+node = Tree('node', prefix='node')
+collect = COLLECT(exe,
+                  a.binaries,
+                  a.zipfiles,
+                  a.datas,
+                  node,
+                  strip=None,
+                  upx=True,
+                  name='Portablizer')