Update restbucksCRUD example to use "crypto" library rather than "eel".

Updated readme.md to add curl command to test the server.

examples/restbucksCRUD/readme.md

@@ -155,6 +155,9 @@ Response success
 	  } ]
 	}
 
+note: 
+    curl -vv http://localhost:9090/order -H "Content-Type: application/json" -d "{\"location\":\"takeAway\",\"items\":[{\"name\":\"Late\",\"option\":\"skim\",\"size\":\"Small\",\"quantity\":1}]}" -X POST 
+
 
 How to Read an order with GET
 -----------------------------
@@ -192,7 +195,8 @@ Response
 	  } ]
 	}
 
-
+note:
+    curl -vv http://localhost:9090/order/1 
 
 How to Update an order with PUT
 -------------------------------

examples/restbucksCRUD/restbucks-safe.ecf

@@ -15,7 +15,7 @@
 		</library>
 		<library name="conneg" location="..\..\library\network\protocol\content_negotiation\conneg-safe.ecf"/>
 		<library name="default_nino" location="..\..\library\server\wsf\default\nino-safe.ecf" readonly="false"/>
-		<library name="eel" location="$ISE_LIBRARY\contrib\library\text\encryption\eel\eel-safe.ecf" readonly="false"/>
+		<library name="crypto" location="$ISE_LIBRARY\unstable\library\text\encryption\crypto\crypto-safe.ecf" readonly="false"/>
 		<library name="encoder" location="..\..\library\text\encoder\encoder-safe.ecf" readonly="false"/>
 		<library name="http" location="..\..\library\network\protocol\http\http-safe.ecf" readonly="false"/>
 		<library name="json" location="..\..\contrib\library\text\parser\json\library\json-safe.ecf" readonly="false"/>

examples/restbucksCRUD/src/policy_driven_resource/order_handler.e

@@ -227,8 +227,7 @@ feature -- Execution
 				end
 			end
 		ensure then
-			order_saved_only_for_get_head: req.is_get_head_request_method =
-				attached {ORDER} req.execution_variable (Order_execution_variable)
+			order_saved_only_for_get_head: attached {ORDER} req.execution_variable (Order_execution_variable) implies req.is_get_head_request_method
 		end
 
 feature -- GET/HEAD content

examples/restbucksCRUD/src/utils/etag_utils.e

@@ -6,28 +6,19 @@ note
 class
 	ETAG_UTILS
 
-inherit
-	ARRAY_FACILITIES
-
 feature -- Access
 
 	md5_digest (a_string: STRING): STRING
 			-- Cryptographic hash function that produces a 128-bit (16-byte) hash value, based on `a_string'
 		local
 			md5: MD5
-			output: SPECIAL [NATURAL_8]
 		do
 			create md5.make
-			create output.make_filled (0, 16)
-			md5.sink_string (a_string)
-			md5.do_final (output, 0)
-			Result := as_natural_32_be (output, 0).to_hex_string
-			Result.append (as_natural_32_be (output, 4).to_hex_string)
-			Result.append (as_natural_32_be (output, 8).to_hex_string)
-			Result.append (as_natural_32_be (output, 12).to_hex_string)
+			md5.update_from_string (a_string)
+			Result := md5.digest_as_string
 		end
 
 note
-	copyright: "2011-2012, Javier Velilla and others"
+	copyright: "2011-2014, Javier Velilla and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 end