MOLGENIS v1.15.0

Features

pull request	contents
#4285	MOLGENIS now has multi language support
#4267	MOLGENIS now supports Google signup and signin

Bugfixes

pull request	contents
#4292	Fix #4298 Permission name must be uppercase
#4290	Fix #4289 ResourceUtils - NullPointerException is thrown
#4281	Fix #4185 EMX with self-references import failure
#4279	Fix #4278 Elasticsearch transactional sync issues
#4277	Fix #4276 Navigating to a menu when the session is expired throws a freemarker error instead of redirecting you to the login modal
#4271	Fix #4270 MysqlRepository find executed twice when no results
#4269	Fix #4268 Elasticsearch findOne with query executes query twice
#4301	Fix #4294 Some nillable attributes does not have an N/A option
#4300	Fix #4295 NullPointerException while uploading
#4292	Fix #4298 When logging in as a non admin user, I get 'No count permission on entity languages'