Merge pull request #1003 from SolutionGuidance/485-rename-enrollment-to-application

Fix helpful warnings

Fix odd places of "application application"

Fix import ordering.

Fix #485. Rename ticket/enrollment to application.

Rename all ticket/enrollment files to application

Rename enrollment/ticket to application in database.

Rename EnrollmentType variables to enrollmentType

Merge pull request #1107 from SolutionGuidance/300-cleanup-license-comments

Standardize jsp file license header.

Standardize groovy file license header.

Remove old Author: / Version: information in jsps.

Update CONTIBUTING regarding license decision.

Standardize java file license header.

Remove old since/author/version tags.