INT-1552 fixed schema docs for XMPP, added FEED schema docs

spring-integration-feed/src/main/resources/org/springframework/integration/feed/config/spring-integration-feed-2.0.xsd

@@ -37,6 +37,11 @@
 							<tool:expected-type type="org.springframework.integration.MessageChannel" />
 						</tool:annotation>
 					</xsd:appinfo>
+					<xsd:documentation>
+	            	Identifies channel attached to this adapter. Depending on the type of the adapter 
+					this channel could be the receiving channel (e.g., outbound-channel-adapter) or channel where 
+					messages will be sent to by this adapter (e.g., inbound-channel-adapter).
+	            </xsd:documentation>
 				</xsd:annotation>
 			</xsd:attribute>
 			<xsd:attribute name="feed-fetcher" use="optional" type="xsd:string">
@@ -68,7 +73,14 @@
 					</xsd:appinfo>
 				</xsd:annotation>
 			</xsd:attribute>
-			<xsd:attribute name="auto-startup" type="xsd:string" default="true" />
+			<xsd:attribute name="auto-startup" type="xsd:string" default="true">
+				<xsd:annotation>
+					<xsd:documentation>
+					Lifecycle attribute signaling if this component should be started during Application Context startup.
+					Default is 'true'
+					</xsd:documentation>
+				</xsd:annotation>
+			</xsd:attribute>
 		</xsd:complexType>
 	</xsd:element>
 

spring-integration-xmpp/src/main/resources/org/springframework/integration/xmpp/config/spring-integration-xmpp-2.0.xsd

@@ -191,11 +191,13 @@
 		<xsd:complexType>
 			<xsd:attribute name="id" type="xsd:string"/>
 			<xsd:attribute name="extract-payload" type="xsd:string" default="true">
-				<xsd:documentation>
+				<xsd:annotation>
+					<xsd:documentation>
 					Specifies if generated Message payload should consist of only 
 					the text of the XMPP Presence message or the entire XMPP Presence (Smack API specific) message. 
 					Default is TRUE.
 					</xsd:documentation>
+				</xsd:annotation>
 			</xsd:attribute>
 			<xsd:attribute name="auto-startup" type="xsd:string" default="true">
 				<xsd:annotation>