changes for database_spec and range_info_provider_spec
solve merge conflict

Merge branch 'development' of github.com:pse4/orange-proton into mh

Conflicts:
	spec/models/range_info_provider_spec.rb
added chop_range_info_provider and spec
range_info_provider --> icd_range_info_provider
refactored compound_info_provider
improved regexp for chop and icd
Merge branch 'development' of github.com:pse4/orange-proton into development

Conflicts:
	app/models/information_providers/compound_info_provider.rb