Added a new DTO to contain standalone posting rule information
Removed final modifier from delete method
Added a method to create a standalone enrolment gratuity posting rule
Created a delete method to not delete the Posting Rule if a Posting Rule for Standalone enrolments already exists
Implemented the feature to create posting rules for standalone enrolments in admin interface. Closes #376
Removed variable from method deleteDEAPostingRule and removed the type check in createDEAStandaloneGratuityPR
Removed useless comment
Added an error message when degree curricular plan service agreement template is null
changed form property of teacher
Merge branch '2.1.16' into develop
[DSI Releaser] prepare for next development iteration
Minor Change: Support compilation on Java 8
Fixes filters in public evaluation page
Merge pull request #434 from diutsu/develop

Closes #433 Fixes filters in public evaluation page
Merge pull request #432 from cbartol/ticket/rt-#408476

Closes #431 Changed form property of struts-teacher
Bug fix: #437
- checking if the event is canceled or not before showing the debt value
Bug fix: Closes #438
- if the Exam has associated date exame document certificate it can not
be deleted; added the correspondent error message
Enhancement: Added the file name error messages to this resource that is
used in teacher portal, to display the correct message.
Adds error message for transposing proposals that dont have the same scheduling
Fixes filters for Teacher Service