[Bins] PATCH: Quotes In Filenames, Crash on Buggy Images, accesskey fix

[Cole, Phillip]

Thanks for creating BINS, it's wonderful.  I have used it to archive over
5GB of my companies product images. I am using the "joi" template.   I found
a couple of problems:

1) There was a divide by zero error that caused a crash, due to a corrupt
image, but it shouldn't cause a crash.  I added a divide by zero check.

2) When a singe quote was included in a filename, or directory name
javascript errors occured because the quote was not escaped.  I have created
a new function jssafe_uri_encode and switched all callers of uri_encode to
it.  I have also needed to add html_entities so that double quotes get
changed to " etc. This also meant a couple of minor tweaks had to be
made to the template files.

3) accesskey="t" is showing in the image view page.  This is a joi template
bug.

Here are my patches that fix these problems:

 <<bins-p1.diff>>  <<imagenavbar-p1.diff>>  <<tree.html-p1.diff>> 
Regards

Phil Cole


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