axis: fix state of reload button

this seems to have resulted from a copy-paste error
docs: rebranding
docs: clarify usage of -I for halrun
Work around etags.xemacs21 bug that mangles paths

This was fixed in 2009 or so, but somehow hasn't made it into Precise.
Possibly https://bugs.launchpad.net/ubuntu/+source/emacs23/+bug/582347
rtapi_time.c: remove spurious warning
Fix write past end of buffer

My commit f0bd5c9 changed too many things from int to size_t,
causing a write just after the end of the buffer allocated by the
earlier malloc on 64-bit systems.
tests: stop using telnet for good

ahem.
Merge remote-tracking branch 'origin/v2.5_branch' into rtos-integration-preview3