EAGLESIX-xxxx change the creation of an ObjectExpression from 'new ObjectExpression()' to 'ObjectExpression.create()'
Merge pull request #129 from RiveraGroup/bugfix/mongo_2.6.5_project_doc_source

Creation technique of ObjectExpression is incorrect
Merge branch 'feature/mongo_2.6.5' into feature/mongo_2.6.5_documentSource

* feature/mongo_2.6.5:
  EAGLESIX-xxxx change the creation of an ObjectExpression from 'new ObjectExpression()' to 'ObjectExpression.create()'

Conflicts:
	lib/pipeline/documentSources/ProjectDocumentSource.js