Add Attribue Set functions #104

Added functions to the webservice class to handle attribute set
Fix typo
Pass attribute set methods to public #104

pas some methods to public to call them outside the class
Fix typo doc #104
Added Family Manager #104
Added family mappers #104

* Added a family mapper for orm
* Added a family mapper for magento
Added a family processor #104
Added a family reader #104
Added a family writter #104
Added use for autocomplete #104
Creation of job and fix bug #104

* Creation of export job for akeneo families to magento attribute sets
* Fix some bugs
Handle attributes in attribute sets #104

It's now possible to add attrbute to attribute sets (family in akeneo)
Added mapping for attributes #104

Now akeneo attributes are mapped with magento attributes
Family export with attributes inside #104

MagentoConnectorBundle is now able to export families with the
attributes inside (not yet in group, group default by default)
Unique field for mapping #104
Bind attribute and attributeSet in writter #104

Attribute are now added in attribute set from the attribute writter
Fix typo #104
Fix bug export attribute #104

* Fixed bug on attribute export
Deleted file #104
Added tests for families #104

*Export of families to AttributeSet on magento is now tested