Added Changelog file

Changelog

+* v0.8.1 
+    - Fixed bug with protected networks form cleaning
+* v0.8.0
+    - DB migration to protocol addition
+    - Added protocol to match conditions plus check mechanism to form cleaning
+* v0.7.11
+    - Prevented a bug that would cause the rule application to throw exception
+* v0.7.10
+    - Turned expiration notification cron job into celery job
+    - Added a preliminary draft for a Makefile facilitating various jobs
+* v0.7.9.7
+    - Added FQDN resolving in mail notification templates to denote the host that an action originated
+* v0.7.9.5
+    - Added source address to required fields
+* v0.7.9.2
+    - Added a custom command to fetch networks for each peer
+    - Altered database storage engine to MYISAM
+* v0.7.9.1
+    - Replaced simplejson imports with json
+* v0.7.9
+    - Added a custom uknown_host_cb function to overcome ssh key errors
+* v0.7.7
+    - Removed utils/beanstalkc as it is now a deb package
+* v0.7.1
+    - Modified peer network range update mechanism
+* v0.7
+    - Added registration to installed apps
+    - Removed user activation in shibboleth backend
+