Added manger note section to sub requests approve/deny. Closes #1405
Updated migration with up and down migrations
Merge branch 'master' of github.com:duffcodester/digiquatics into sub_request_note

Conflicts:
	db/schema.rb
Merge branch 'sub_request_note' of github.com:duffcodester/digiquatics into sub_request_note
fixed merge conflict
ran migration
rollback one step and remove sub_admin_note
Merge pull request #1441 from affektive/sub_request_note

Added manger note section to sub requests approve/deny. Closes #1405