Merge pull request #63 from marioskranitsas/issue-54

fix issue 54

Author: ThomasKranitsas

src/services/ChallengeService.js

@@ -446,7 +446,6 @@ createChallenge.schema = {
     legacyId: Joi.number().integer().positive(),
     forumId: Joi.number().integer().positive(),
     startDate: Joi.date().required(),
-    endDate: Joi.date(),
     status: Joi.string().valid(_.values(constants.challengeStatuses)).required(),
     groups: Joi.array().items(Joi.string()), // group names
     gitRepoURLs: Joi.array().items(Joi.string().uri()),
@@ -1023,7 +1022,6 @@ fullyUpdateChallenge.schema = {
     legacyId: Joi.number().integer().positive(),
     forumId: Joi.number().integer().positive(),
     startDate: Joi.date(),
-    endDate: Joi.date(),
     status: Joi.string().valid(_.values(constants.challengeStatuses)).required(),
     attachmentIds: Joi.array().items(Joi.optionalId()),
     groups: Joi.array().items(Joi.string()), // group names
@@ -1069,7 +1067,6 @@ partiallyUpdateChallenge.schema = {
       duration: Joi.number().positive()
     })).min(1),
     startDate: Joi.date(),
-    endDate: Joi.date(),
     prizeSets: Joi.array().items(Joi.object().keys({
       type: Joi.string().valid(_.values(constants.prizeSetTypes)).required(),
       description: Joi.string(),