Bump spring beans version

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

libresonic-main/src/main/webapp/WEB-INF/applicationContext-cache.xml

@@ -2,7 +2,7 @@
 
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <bean id="cacheFactory" class="org.libresonic.player.cache.CacheFactory"/>
 

libresonic-main/src/main/webapp/WEB-INF/applicationContext-service.xml

@@ -2,7 +2,7 @@
 
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <!-- DAO's -->
 

libresonic-main/src/main/webapp/WEB-INF/applicationContext-sonos.xml

@@ -2,7 +2,7 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:jaxws="http://cxf.apache.org/jaxws"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">
 
     <import resource="classpath:META-INF/cxf/cxf.xml"/>
     <import resource="classpath:META-INF/cxf/cxf-servlet.xml"/>

libresonic-main/src/main/webapp/WEB-INF/libresonic-servlet.xml

@@ -2,7 +2,7 @@
 
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <bean id="leftController" class="org.libresonic.player.controller.LeftController">
         <property name="viewName" value="left"/>