Fix test script issues

Ignore a couple of harmless warnings from CXXTEST harness.

Yet another workaround for #91:
ensure the build-tree libopenasip.so is first in LD_LIBRARY_PATH when
running unit tests through compiletest.sh.

openasip/test/Makefile_test.defs

@@ -116,6 +116,7 @@ all: ${GCOV_TEST} ${INITIALIZATION} ${TESTS} ${GCOV_TEST2} ${FINALIZATION}
 
 %-runner.o: %-runner.cpp
 	${CXX} ${TCE_INCLUDES} ${CPPFLAGS} ${CXXFLAGS} \
+	-Wno-sign-compare -Wno-ignored-qualifiers -Wno-catch-value \
         ${EDITLINE_INCLUDES} ${BOOST_INCLUDES} -I ${CXXDIR} -I ${CXXDIR}/.. \
         ${EXTRA_COMPILER_FLAGS} \
 	    -g -c $< -o $@

openasip/tools/scripts/compiletest.sh

@@ -322,6 +322,10 @@ MAKE_OPT="-k"
 export TCE_DEVEL_MODE=1
 export PATH="$PATH:/bin:/usr/local/bin:/usr/bin"
 
+# Yet another workaround for https://github.com/cpc/openasip/issues/91
+# Ensure we are testing the build tree openasip.so.
+export LD_LIBRARY_PATH=$PWD/src/.libs:$LD_LIBRARY_PATH
+
 USER=`whoami`
 
 if [ "$USER" == "root" ]; then