add requirements and change version to 1.2

ChangeLog

 =======
-1.1.2 RELEASE
+1.2 RELEASE
 Updates and enhancements. Check documentation for updating from previous versions
 	- Code Cleanup
 	- Branding

README.md

@@ -33,7 +33,6 @@ GRNET's case the flowspec capable device is an EX4200.
 
 ##Installation Considerations##
 
-
 You can find the installation instructions for Debian Wheezy (64)
 with Django 1.4.x at [Flowspy documentation](http://flowspy.readthedocs.org).
 If upgrading from a previous version bear in mind the changes introduced in Django 1.4.

_version.py

-VERSION = '1.1.2'
+VERSION = '1.2'
 
 if __name__ == "__main__":
     print VERSION

requirements.txt

+django==1.4.5
 django-registration==0.8
 django-tinymce==1.5
 gevent==0.13.6
@@ -13,3 +14,4 @@ pycrypto==2.6
 pyparsing==1.5.6
 python-dateutil==1.5
 python-memcached==1.48
+djangorestframework==3.1.2