GUI: hermit, manuals, wells, clay oven

- added hermit 'civ'
- removed obsolete manuals in place of a single one
- renamed the tag for LIQUIDSPAWNER to YES/NO_WATERWELL
- removed the clay oven
raw update for water/magma wells
Merge pull request #9 from splintermind/master

GUI: hermit, manuals, wells, clay oven