used name from AbstractFieldDescriptor as unique name in DoctrineFieldDescriptor
add test for where with same fieldname
Merge pull request #135 from sulu-cmf/bugfix/where

[BUGFIX] corrected key usage for where clause
add return type for process subentities
Merge pull request #136 from sulu-cmf/feature/missing-field-properties

[FEATURE] added min width and default fields to FieldDescriptor
Merge pull request #137 from sulu-cmf/bugfix/process-subentities-return

[BUGFIX] add return for processSubEntities in DoctrineRestHelper
Merge branch 'develop' into feature/sort-fields