qt5: add initial qt5 to mxe-octave, based on mxe.cc * src/qt5.mk: new file * src/qtbase-1-fixes.patch: new file * src/qtbase.mk: new file * src/qtimageformats-1.patch: new file * src/qtimageformats.mk: new file * src/qtsvg.mk: new file * src/qttools-1.patch: new file * added src/qttools.mk: new file * changed Makefile.in: added ENABLE_QT5 option * configure.ac: added enable-qt5 option * index.html: added new files to packages * installer-files/octave-firsttime.vbs: added setup of qt5 bin, plugin path * installer-files/octave.vbs: added setup of qt5 bin, plugin path * installer-files/octave.bat: added setup of qt5 bin path * src/default-octave.mk: added settig fot qt5 usage * src/qscintilla.mk: added qt5 path

diff -ur glpk-4.55.orig/src/Makefile.am glpk-4.55/src/Makefile.am
--- glpk-4.55.orig/src/Makefile.am	2015-02-16 13:30:31.791250808 -0500
+++ glpk-4.55/src/Makefile.am	2015-02-16 13:33:44.773042081 -0500
@@ -18,6 +18,7 @@
 
 libglpk_la_LDFLAGS = \
 -version-info 37:2:1 \
+-no-undefined \
 -export-symbols-regex '^glp_*'
 
 libglpk_la_SOURCES = \