Rewrite stubs for 32-bit arm and i386 for -pie (Position-Independent Executable)

Coming next: MIPS and PowerPC.
	modified:   p_lx_elf.cpp
	modified:   stub/src/i386-linux.elf-main.c
	modified:   stub/src/arm.v4a-linux.elf-entry.S
	modified:   stub/src/arm.v4a-linux.elf-fold.S
	modified:   stub/src/i386-linux.elf-entry.S
	modified:   stub/src/i386-linux.elf-fold.S
	modified:   ../.github/travis_testsuite_1.sh

	also associated *.h *.map *.dump files

src/p_lx_elf.cpp

@@ -1020,6 +1020,9 @@ void PackLinuxElf32x86::addStubEntrySections(Filter const *ft)
     if (Elf32_Ehdr::ET_DYN==get_te16(&ehdri.e_type)) {
         addLoader("LEXECDYN", NULL);
     }
+    else {
+        addLoader("LEXECEXE", NULL);
+    }
     addLoader("LEXEC025", NULL);
     addLoader("FOLDEXEC", NULL);
 }