Upgraded H2 to version 1.3.174.

As we no longer support Java 1.5 we can stay up to date with H2
releases.

briar-core/.classpath

@@ -3,10 +3,10 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/briar-api"/>
 	<classpathentry kind="lib" path="/briar-api/libs/guice-3.0-no_aop.jar"/>
-	<classpathentry kind="lib" path="libs/h2small-1.3.170.jar"/>
 	<classpathentry kind="lib" path="libs/javax.inject.jar"/>
 	<classpathentry kind="lib" path="libs/sc-light-jdk15on-1.47.0.3-SNAPSHOT.jar" sourcepath="libs/source/sc-light-jdk15on-1.47.0.3-SNAPSHOT-source.jar"/>
 	<classpathentry kind="lib" path="libs/weupnp-0.1.1.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="lib" path="libs/h2small-1.3.174.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

h2-1.3.170.patch

-Binary files h2-1.3.170/h2/bin/org/h2/build/Build$1.class and h2-1.3.170-briar/h2/bin/org/h2/build/Build$1.class differ
-Binary files h2-1.3.170/h2/bin/org/h2/build/Build$2.class and h2-1.3.170-briar/h2/bin/org/h2/build/Build$2.class differ
-Binary files h2-1.3.170/h2/bin/org/h2/build/BuildBase.class and h2-1.3.170-briar/h2/bin/org/h2/build/BuildBase.class differ
-Binary files h2-1.3.170/h2/bin/org/h2/build/Build.class and h2-1.3.170-briar/h2/bin/org/h2/build/Build.class differ
-diff -Bbur h2-1.3.170/h2/src/tools/org/h2/build/BuildBase.java h2-1.3.170-briar/h2/src/tools/org/h2/build/BuildBase.java
---- h2-1.3.170/h2/src/tools/org/h2/build/BuildBase.java	2013-06-19 15:56:33.000000000 +0100
-+++ h2-1.3.170-briar/h2/src/tools/org/h2/build/BuildBase.java	2013-06-19 16:03:20.000000000 +0100
-@@ -838,6 +838,9 @@
-      */
-     protected void javac(StringList args, FileList files) {
-         println("Compiling " + files.size() + " classes");
-+        print("Args:");
-+        for(String arg : args) print(" " + arg);
-+        println("");
-         StringList params = new StringList();
-         params.addAll(args);
-         params.addAll(getPaths(files.keep(".java")));
-diff -Bbur h2-1.3.170/h2/src/tools/org/h2/build/Build.java h2-1.3.170-briar/h2/src/tools/org/h2/build/Build.java
---- h2-1.3.170/h2/src/tools/org/h2/build/Build.java	2013-06-19 15:56:33.000000000 +0100
-+++ h2-1.3.170-briar/h2/src/tools/org/h2/build/Build.java	2013-06-19 16:05:10.000000000 +0100
-@@ -166,10 +166,11 @@
-             files = files("src/main");
-         }
-         StringList args = args();
--        if (System.getProperty("version") != null) {
-+        String version = System.getProperty("version");
-             String bcp = System.getProperty("bcp");
-             // /System/Library/Frameworks/JavaVM.framework/Versions/1.4/Classes/classes.jar
--            args = args.plus("-source", "1.5", "-target", "jsr14", "-bootclasspath", bcp);
-+        if (version != null && bcp != null) {
-+            args = args.plus("-source", "1.5", "-target", version, "-bootclasspath", bcp);
-         }
-         if (debugInfo) {
-             args = args.plus("-Xlint:unchecked", "-d", "temp", "-sourcepath", "src/main", "-classpath", classpath);