Revert "changed tornado dependency to local (RPi date fix)"

This reverts commit f812658714.

requirements.txt

@@ -1,5 +1,6 @@
 flask==0.9
 werkzeug==0.8.3
+tornado==4.0.1
 sockjs-tornado>=1.0.0
 PyYAML==3.10
 Flask-Login==0.2.2
@@ -11,4 +12,3 @@ watchdog
 sarge
 netifaces
 pylru
-tornado

setup.py

@@ -268,9 +268,6 @@ def params():
 	include_package_data = True
 	zip_safe = False
 	install_requires = open("requirements.txt").read().split("\n")
-	dependency_links = [
-		'https://github.com/nosyjoe/tornado/archive/master.tar.gz',
-	]
 
 	entry_points = {
 		"console_scripts": [