Merge branch 'tasks'

Updates to task lists including delegation and export to Excel.
Fix css
Create a Photo Copier
On second thought, this will be a copier for all BPA things
Faster user spec
Nesting queries/results
Allow batch setting of remote_image_url
Copy lots of things
Fix task decorator spec to handle delegated?
Merge branch 'copy-photos'

New Copier class to copy BPA sections to another project. Initial first
pass.
Updated gems
Indicate which menu items exist
Page titles for photos
Strip whitespace before saving strings
Start to make production-ready
Don't include key photos; do all photos
Use small photos when available
delay
Revert "delay"

This reverts commit 2caf2071a248de050bc7c981613f699a9f0225d6.
nil check on strip_strings