Fix indentation in exportServiceProvider.processRenderedPhotos.
Add any already published photos to the list returned from the collections API when syncing collections.

The Collections API sometimes doesn't return all of the photos in a collection (https://github.com/500px/api-documentation/issues/83).
This can mean that recently uploaded photos are dropped from collections if another upload or delete is performed on the same collection.
Adding the list of already published photos to the list returned from the API solves this though will re-add photos to the collection
if the user had deleted them through the website.
Make 500px fields searchable and browsable.
Increase the size of photos synced to size 5.
Reduce HTTP traffic for syncing photos and add additional error checking to responses.
Output some more information on errors.
Rename collection sync checkbox and add warning text.
Warn user when attempting to create or rename a collection to a name that already exists.
Merge pull request #7 from Mossop/synccollection

Avoid dropping recently published photos from collections
Merge pull request #8 from Mossop/fixes/browsable

Make 500px fields searchable and browsable.
Merge pull request #9 from Mossop/fixes/nPhotos

Fixes "500pxUser.lua:154: attempt to perform arithmetic on local 'nPhotos' (a nil value)"
Merge pull request #10 from Mossop/fixes/syncdesign

Rename collection sync checkbox and add warning text.
Merge branch 'fixes/badcollections' of github.com:Mossop/500pxPublisher.lrplugin into Mossop-fixes/badcollections

Conflicts:
	500pxUser.lua
Merge branch 'Mossop-fixes/badcollections'