Increase the heap allocation for the Java compiler.

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@7492 ee4ac58c-ac51-4696-9907-e4b3aa274f04

build.xml

@@ -113,6 +113,9 @@
   <!-- Compiles the source directory -->
   <target name="compile" depends="init,compile-idl,prepare-src">
     <javac
+      fork="true"
+      memoryinitialsize="256m"
+      memorymaximumsize="256m"
       srcdir="${build.src.main}"
       destdir="${build.dest.main}"
       excludes="nsdb/**,seqdb/**,type/**,lib/**,src/**,uk/ac/sanger/artemis/components/MacHandler.java,uk/ac/sanger/artemis/components/filetree/FileTree.java,uk/ac/sanger/artemis/components/filetree/SshFileTree.java,uk/ac/sanger/artemis/ExternalProgramUtils.java"