Cake 3.6 compatibility

Updates with cake 3.6 compatibility
Fixes #11
Bump php version requirement to 5.6

v1.09

Use Query::mapReduce instead of Query::formatResults to work around a…

v1.08

Add mimetype check before uploading

v1.07

Fix issue with shell model selection

v1.0

Move from WideImage to Intervention/Image
Various improvements
More tests

v0.2

Initial release