Restructured the interdependencies within the BMWlibs (maybe other commits will follow)

configure.ac

@@ -490,17 +490,17 @@ AC_SUBST(PMUSR_LIBS)
 AC_SUBST(PMUSR_CFLAGS)
 
 if test "${BUILD_BMW_LIBS}" = "1"; then
-  BMWSTARTUP_SRCDIR="${SRCDIR}/external/BMWStartupHandler"
-  BMWSTARTUP_LIBS="${BMWSTARTUP_SRCDIR}/libBMWstartup.la"
-  BMWSTARTUP_CFLAGS="-I${BMWSTARTUP_SRCDIR}"
-  AC_SUBST(BMWSTARTUP_LIBS)
-  AC_SUBST(BMWSTARTUP_CFLAGS)
+  BMWTOOLS_SRCDIR="${SRCDIR}/external/BMWtools"
+  BMWTOOLS_LIBS="${BMWTOOLS_SRCDIR}/libBMWtools.la"
+  BMWTOOLS_CFLAGS="-I${BMWTOOLS_SRCDIR}"
+  AC_SUBST(BMWTOOLS_LIBS)
+  AC_SUBST(BMWTOOLS_CFLAGS)
 
-  TFITPOFB_SRCDIR="${SRCDIR}/external/TFitPofB-lib"
-  TFITPOFB_LIBS="${TFITPOFB_SRCDIR}/classes/libTFitPofB.la"
-  TFITPOFB_CFLAGS="-I${TFITPOFB_SRCDIR}/include"
-  AC_SUBST(TFITPOFB_LIBS)
-  AC_SUBST(TFITPOFB_CFLAGS)
+  FITPOFB_SRCDIR="${SRCDIR}/external/libFitPofB"
+  FITPOFB_LIBS="${FITPOFB_SRCDIR}/classes/libFitPofB.la"
+  FITPOFB_CFLAGS="-I${FITPOFB_SRCDIR}/include"
+  AC_SUBST(FITPOFB_LIBS)
+  AC_SUBST(FITPOFB_CFLAGS)
 
   # Check for fftw3_threads-library. If available musrfit is also linked against it (used in libTFitPofB).
   SAVED_CFLAGS="$CFLAGS"
@@ -633,9 +633,9 @@ AC_CONFIG_FILES([Makefile \
                  src/external/libCuba/Makefile \
                  src/external/libCuba/src/Makefile \
                  src/external/libCuba/src/cuba.pc \
-                 src/external/BMWStartupHandler/Makefile \
-                 src/external/TFitPofB-lib/Makefile \
-                 src/external/TFitPofB-lib/classes/Makefile \
+                 src/external/BMWtools/Makefile \
+                 src/external/libFitPofB/Makefile \
+                 src/external/libFitPofB/classes/Makefile \
                  src/external/libLFRelaxation/Makefile \
                  src/external/libGapIntegrals/Makefile \
                  src/external/libCalcMeanFieldsLEM/Makefile \