Added docs and removed point smoothing. Added example of polygon unionisation.
Merge branch 'develop' of https://github.com/Urbanetic/subdiv into develop

# By Geoff Cowan
# Via Geoff Cowan
* 'develop' of https://github.com/Urbanetic/subdiv:
  Added WKT lat lon swapping function read/write json
  Added blank link to end of bowerrc