AppRun detects number of cores and runs with make -j option.
Upgraded deprecated functions to new versions.
Removed unused variables.
Made configure script respect user CFLAGS.
Fixed error in case OS did not export LIBS="-lm -ldl"
Fixed bug in gtksavebox.c that caused highlighting to stop on first period in name, not last. (strchr vs strrchr)
Fixed bug in log.c.
Defined HAVE_MMAP by default, because most systems have it.
Reconfigured toolbar order (it is annoying to close the window or go home when you meant to go up a directory), this part can be omitted if you don't like it.