Use EventDispatcherInterface interface
Merge pull request #59 from marfillaster/patch-1

Use EventDispatcherInterface interface
Merge branch 'development-dev' of git://github.com/floriansemm/SolrBundle into development-dev
Set boost to null if not configured.
Added default dynamic fields (float, long, double)
Boost must be null for non-text fields. Support for float dynamic fields.
Merge branch 'development-dev' of github.com:floriansemm/SolrBundle into development-dev