Merge pyextra subtree

pyextra/bin/flask

@@ -0,0 +1,10 @@
+#!/usr/local/bin/python
+# EASY-INSTALL-ENTRY-SCRIPT: 'Flask==1.0.2','console_scripts','flask'
+__requires__ = 'Flask==1.0.2'
+import sys
+from pkg_resources import load_entry_point
+
+if __name__ == '__main__':
+    sys.exit(
+        load_entry_point('Flask==1.0.2', 'console_scripts', 'flask')()
+    )