[EXPLORER-42] Filter for target class pharma
[EXPLORER-42] Filter for target class pharma
[EXPLORER-41] Target class pharma filters. Typeahead for organisms. Link to draw compound.
[EXPLORER-41] If there are no results then tell the user
[EXPLORER-44] compound URI is fine as it is, www.chemspider.com is no longer relevant
[EXPLORER-45] Let the user know that no compounds have been found for structure search
Merge branch 'develop' into ian_ruby_1.8_support

Conflicts:
	app/assets/javascripts/controllers/treesPharmacologyController.js