cleanup of InitiateCartApproval
split method for new cart emails
reorganize approval controller actions
remove use of inline conditionals in CommunicartsController
simplify logical statements
Merge pull request #91 from 18F/no-inline-conditionals

remove use of inline conditionals
add database field for ordering approvers
add method to retrieve approvers by position
only order approvers by position for linear groups
group #approvers specs