Support for cropping/straightening images

[TheLastProject]

(As asked through email)

It would be nice if Catima let you straighten and crop the card images

[Kethen]

for cropping

https://github.com/ArthurHub/Android-Image-Cropper

chaining this right after either camera or image picker activity comes back should work rather nicely

not sure what straightening means however

[TheLastProject]

That library looks nice

not sure what straightening means however

Just rotating pretty much, which the library seems to support

[TacoTheDank]

@TheLastProject I'd recommend using https://github.com/CanHub/Android-Image-Cropper instead, as it's a maintained fork of the above with important bugfixes for newer Android versions and whatnot.

[TheLastProject]

@TacoTheDank This is currently being implemented in #559 using https://github.com/Yalantis/uCrop