Ability to remove exif data when saving image files
Protect user by default for photo upload
Extract and save original exif against file photo object during save; have ability to manually pass exif to thumbnail functions (for orientation calculations)
My name is Marcus, and I'm a data addict. 

If we go so far as to strip EXIF from images to protect our customers, we probably shouldn't be storing it at all.
Reinstating EXIF save
Merge branch 'master' into no-exif

Conflicts:
	Idno/Entities/File.php
	IdnoPlugins/Photo/Photo.php
Resolving conflicts with upstream
Merge branch 'master' into no-exif

Conflicts:
	Idno/Entities/File.php
Merge branch 'master' into no-exif

Conflicts:
	Idno/Entities/File.php
	IdnoPlugins/Photo/Photo.php
Refs #506: Session path now can be set via config.
Closes #506: Default mongodb data handler, which uses file stores, now specifies session path via config
Reinstating editor buttons
Introducing SimplePie
Very minor tweak
Reference the SimplePie autoloader
Reference Simplepie code
Introducing XML item to feed item method
More seamless use of SimplePie and MF2

Enter a URL, get back a parsed feed - you don’t need to care how.
Merge pull request #507 from mapkyca/save_path_clean

Save path in config
Short URL fix