able to read exif data and orient the direction to repair of the uploaded
image
able to resize the uploaded image when the size of it is larger than that
of assigned
Merge branch 'master' of https://github.com/AkihiroKOBAYASHI/OpenPNE3

Conflicts:
	lib/model/doctrine/File.class.php
Merge branch 'master' of https://github.com/AkihiroKOBAYASHI/OpenPNE3

Conflicts:
	lib/model/doctrine/File.class.php