More work on history REST API
added timecycle to usertask converter test
changed to expression
Added single job methods to REST
ACT-1696: first cut of ootb LDAP integration
ACT-1696: cleanup
ACT-1696: introduce ldap group caching
Implemented history REST API
Added job exception starcktrace in REST
Added job-collection to REST
first version to retrieve variables together with tasks
fixed duplicatie columns
Added indexes for mssql
changed back mssql qa config
Fixed native queries are failing on mssql and db2