Changed the school id
Added comments and fixed small bugs during display
Added comments to models.
Added download data image.
Added comments
Fixed a bug with teachers class
fixed the links to the teachersClass page
fixed the line wrapping issue for the start date
Added breadcrumbs
Merge branch 'master' of ssh://dev.gios.asu.edu:22/common/git/ecology_explorers

Conflicts:
	app/View/Teachers/download_data.ctp
Merge branch 'master' of http://github.com/rohit-srikanta/ecologyexplorers

Conflicts:
	app/View/Teachers/index.ctp