Expand fixTexts.sh

* Fall back to `rst2html.py` (the default location "setup.py" installs to)
  if `rst2html` is not available
* Warn if the installed docutils version is below 0.12, to avoid extraneous
  CSS changes between docutils versions
* Add a status message for updated files
* Update HTML files
Add gelding to autolabor and manipulator
Clarify autolabor initialization failure
Bind `hotkeys` to Alt-F1

Ctrl-F1 is a system-wide shortcut by default on OS X
stocks: Make LEAVESCREEN have priority over text entry

This should fix conflicts if LEAVESCREEN is bound to "Space" only
Merge remote-tracking branches 'lethosor/stocks-esc', 'lethosor/patch-8', 'lethosor/0.40.19-update-labors' and 'lethosor/fixTexts' into develop