[TASK] Move classes into new locations

move classes from Phile namespace into Phile\Core, mark all these classes as deprecated and add a compatibility class which will be removed in 1.6 and changed unit tests

Releases: 1.4
Revert "[TASK] Move classes into new locations"

This reverts commit d43589dc6213d826488cff1fa254333097530658.
[TASK] Move classes into new locations

move classes from Phile namespace into Phile\Core, mark all these classes
as deprecated and add a compatibility class which will be removed in 1.6
and change unit tests

Releases: 1.4
Merge pull request #149 from NeoBlack/feature_1_4/moveClasses

[TASK] Move classes into new locations