Don't fail badly if no stylesheet is specified.
postgis style generator fix
Merge branch 'master' of github.com:kothic/kothic
performance improvement, ::subpart, =no fixes
Make Komap executable.

--HG--
extra : amend_source : d567f2f205761ed5b6261c529113308a5b7a7fd4
Merge.
autopep8
autopep8
heavy profilign + autopep8
Merge pull request #11 from andrewshadoura/master

Don't fail badly if no stylesheet is specified.
clamp z-indexes
Merge branch 'master' of github.com:kothic/kothic
more profiling + bugfix
stylesheet tests
Komap update
repaired mapnik komap styling
updated unit tests
map key generator