specifying a directory name for a dimension should work now
updated tileset.py and genPOI.py and a few other stragglers
Allow unicode to be returned from a genPOI filter function
Updated documentation

* Added paragraph and example about returning tuples from a filter
  (Issue #859)

* Added section about manualpois
  (Issue #858, Issue #869, Issue #598)

* Fixed a typo in the FAQ

* Added logging to file to the FAQ
  (Issue #871)
use git to find current hash, should work with overviewer-as-submodule
JSObserver will show ETA, and the 'renderComplete' message will persist

Closes #784
Closes #786
Merge in pull request #872
Merge pull request #862
Make sure that regionset.type always has a value
Validate texturepath exists
Fix spawn markers

(Fallout from the arbitrary dimension name change)