Rel. #1314: Add no_store cache directive to UIs.

(cherry picked from commit 692b2904ac0d40d2bebc8f2c79ff0679d2af65ee)

src/cloud/occi/lib/occi-server.rb

@@ -129,6 +129,7 @@ set :cloud_auth, cloud_auth
 ##############################################################################
 
 before do
+    cache_control :no_store
     unless request.path=='/ui/login' || request.path=='/ui'
         if !authorized?
             begin

src/ozones/Server/ozones-server.rb

@@ -190,6 +190,7 @@ helpers do
 end
 
 before do
+    cache_control :no_store
     unless request.path=='/login' || request.path=='/'
 
         unless authorized?

src/sunstone/sunstone-server.rb

@@ -171,7 +171,7 @@ helpers do
 end
 
 before do
-    cache_control :private, :must_revalidate
+    cache_control :no_store
     unless request.path=='/login' || request.path=='/'
         halt 401 unless authorized?