Added profile in the main pom.xml to build with JDK 7u55.

Added new NPN module files for  JDK 7u55, referencing the new NPN version required by JDK 7u55.

jetty-spdy/spdy-http-server/src/main/config/modules/npn/npn-1.7.0_55.mod

@@ -0,0 +1,9 @@
+[name]
+npn-boot
+
+[files]
+http://central.maven.org/maven2/org/mortbay/jetty/npn/npn-boot/1.1.7.v20140316/npn-boot-1.1.7.v20140316.jar:lib/npn/npn-boot-1.1.7.v20140316.jar
+
+[ini-template]
+--exec
+-Xbootclasspath/p:lib/npn/npn-boot-1.1.7.v20140316.jar

jetty-start/src/test/resources/usecases/home/modules/npn/npn-1.7.0_55.mod

@@ -0,0 +1,9 @@
+[name]
+npn-boot
+
+[files]
+http://central.maven.org/maven2/org/mortbay/jetty/npn/npn-boot/1.1.7.v20140316/npn-boot-1.1.7.v20140316.jar:lib/npn/npn-boot-1.1.7.v20140316.jar
+
+[ini-template]
+--exec
+-Xbootclasspath/p:lib/npn/npn-boot-1.1.7.v20140316.jar

pom.xml

@@ -936,6 +936,18 @@
         <npn.version>1.1.6.v20130911</npn.version>
       </properties>
     </profile>
+    <profile>
+      <id>7u55</id>
+      <activation>
+        <property>
+          <name>java.version</name>
+          <value>1.7.0_55</value>
+        </property>
+      </activation>
+      <properties>
+        <npn.version>1.1.7.v20140316</npn.version>
+      </properties>
+    </profile>
   </profiles>
 </project>