MYSQL support for POINTs, without DISTANCE().
insert and update tests.
Fix for location field.
pdo_mysql as require-dev.
Test for #125
Fix for #125
Merge branch 'fix/145-point-mysql' into mwe

Conflicts:
	src/Model/Geocodable/GeocodableMethods.php
	src/ORM/Geocodable/GeocodableSubscriber.php
	tests/Knp/DoctrineBehaviors/ORM/GeocodableTest.php