Merge pull request #89 from calonso-conabio/master

translations
Minor fixes.
Added default taxonomic browsing for guides.
Updated guide book pdf format a bit.
Added journal PDF view for guides.
Bugfix: obs uploader was bailing on NaN coordinates, added image-load to repo.
Bugfix: simplified taxon ranges were bailing of simplified result had self-intersections.
Added obs sound filter, casual grade UI.
Added guide search.
Page caching for guide PDFs.
Some changes to guide book layout.
Merge branch 'guides'

Conflicts:
	public/javascripts/translations.js
Made ObservationSound join model, counter cache on observations.
Tried to make sure converting local photos to observations adds a species guess properly.
Bugfix: taxon order was not being applied when editing guides.
fix bug on ProjectsController#add introduced by translation
translations on listed_taxa
Merge remote-tracking branch 'upstream/master'