Better filtering

[leevigraham]

In Costimator we had pretty simple and straight forward filtering. It worked well however there were some issues:

• Users could not change the match criteria (matches were exact)
• Ranges were not flexible

Related Resources:

• http://whitewashing.de/2013/03/04/doctrine_repositories.html
• https://github.com/lexik/LexikFormFilterBundle/blob/master/Resources/doc/index.md (Looks interesting)
• https://github.com/Kunstmaan/KunstmaanAdminListBundle/blob/master/Service/ExportService.php

Visual examples of better filtering:

[leevigraham]

Just threw this together to see if there was a meta way of creating a filter form type.

[leevigraham]

https://github.com/orocrm/platform/tree/master/src/Oro/Bundle/FilterBundle