rudimentary validation.
small css change.
back redirect, small autocomplete fixes
expanding textarea
preparing for merge.
Merge branch 'master' of https://github.com/ikenohate09/design_exchange

Conflicts:
	app/assets/javascripts/search.js
	app/controllers/design_methods_controller.rb
	solr/data/development/index/segments.gen
	solr/data/development/spellchecker/segments_1
pushing changes