Update time picker to use fork by arenoir

https://github.com/arenoir/timePicker
Set inline styles  on file fields. + pass some data as data-attributes
ajax callback for getting an image src
simpler file upload script. + use ajax callback to fetch correct image + support different types
update styles
Recalculate file input size so it never extends beyond container

but aspect ratio is preserved. Note can also remove some other styles
notice if image isn't defined
Hide overflow
Update - split file & image - overriding plupload image  uploader
delete old image upholder
correct type arg
don't restrict to only file fields
args not being set correctly
Merge branch 'refs/heads/master' into fix-file-upload

Conflicts:
	classes.fields.php
	js/file-upload.js
remove plupload styles
Merge branch 'refs/heads/master' into fix-file-upload
Merge branch 'refs/heads/master' into fix-file-upload

Conflicts:
	classes.fields.php
loading spinner
Merge branch 'refs/heads/master' into fix-file-upload

Conflicts:
	example-functions.php
fix position of spinner