Merge pull request #1 from JasonGuanGitHub/master

pull request
add resources to routes_admin.rb
Merge pull request #1 from specialhappy/master

add something into routes_admin.rb
add routes for instruments to routes_admin.rb
new welcome index
destroy resources in namespace
convert message files to customer folder
Merge pull request #2 from specialhappy/master

destroy resource in namespace admin and convert message files to customer folder
Merge pull request #1 from JasonGuanGitHub/master

get update