scripted-diff: Rename test_bitcoin to test/setup_common

-BEGIN VERIFY SCRIPT-
sed -i --regexp-extended -e 's/test_bitcoin\.(h|cpp)/setup_common.\1/g' $(git grep -l test_bitcoin)
git mv ./src/test/test_bitcoin.h   ./src/test/setup_common.h
git mv ./src/test/test_bitcoin.cpp ./src/test/setup_common.cpp
sed -i -e 's/BITCOIN_TEST_TEST_BITCOIN_H/BITCOIN_TEST_SETUP_COMMON_H/g' ./src/test/setup_common.h
-END VERIFY SCRIPT-

src/test/scriptnum_tests.cpp

@@ -4,7 +4,7 @@
 
 #include <test/scriptnum10.h>
 #include <script/script.h>
-#include <test/test_bitcoin.h>
+#include <test/setup_common.h>
 
 #include <boost/test/unit_test.hpp>
 #include <limits.h>