Fix a typo.
Merge pull request #211 from hboetes/master

Fix a typo
Improved error message for no available new spells to gain. Thanks to
hboetes for pointing it out.
Add Mr. Att in SVG form
Add better gitignore rules for .app (OS X) and autogenerated HTML files in lib/help.
Add docutils script to generate helpfiles suitable for rephial.org.
Add the draft player's guide from the old wiki.  Needs some work to bring it up to date but it's a good document.
Start switching code from using m_idx to using a struct monster *, removing a layer of indirection and dependence on outdates game structures
Fix update_mon
Converta few more uses of r_info to m_ptr->race and remove some more m_idx
De-indexify a lot more of the monster code, especially monster generation.
Nuke get_mon_num_hook, just pass it in to get_mon_num_prep() instead.
Move get_mon_num_prep() to use monster race instead of r_idx.
Deindexify more, focussing on code outside the monster/ directory.
Fix loading from savefiles after past commits.
Deindexify further
More deindexifing.
Deindexify mon-msg.c