improved the testing architecture

test/.bzrignore

@@ -0,0 +1 @@
+*.dat

test/testsuite.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+# Runs the bibtexbrowser test suite
+# Note that the files must be executed in different processes (i.e. without PHP include)
+
+for i in *php
+do
+  php $i
+done
+
+