Fix Geocodable listener isEntitySupported check

This fix this issue : if the entity has a ``location`` field but do not use the Geocodable trait, the listener hooks will be executed anyway.
Fixed SoftDeletable behavior when using inheritance

Subclasses of classes with the SoftDeletable trait were skipped in the listener
Added branch-alias
Merge pull request #44 from jankramer/add-branch-alias

Semantic versioning
Merge pull request #40 from jankramer/fix-inherited-softdelete

Fixed SoftDeletable behavior when using inheritance
dont install already installed mongo pecl ext
Merge pull request #41 from EmmanuelVella/patch-1

Fix Geocodable listener isEntitySupported check
activate mongo ext
test php 5.5
fix typo