Added scenario for https://trello.com/c/R8TaiG7Y/53-as-dave-i-want-to-be-able-to-accept-reject-or-mark-as-already-exists-concepts-within-a-proposal-so-that-lynette-knows-the-status
Making feature more testable
Creating page models for review pages
Validate Submit Proposal Response: handles errors and alerts user
Merge pull request #71 from cathy-mcdonald/functional-tests-2

Add test scenarios for cancelling delete of concept or proposal
Setting up Travis config
Moved ProposalSubmissionException + Detect Different errors
Excluding functional tests from Travis build
Updating Gradle version to that specified in Gradle Wrapper properties
Update HTTP status codes to use 500 instead of passing status code through
Merge pull request #74 from thewheat/submit-proposal

Validate Submit Proposal Response: handles errors and alerts user