adds Picture object for properties using Paperclip.
add labels to show page.
adds thumbnail link on properties index page.
updates readme
adds capybara testing of image addition on property creation and editing.
Splits paperclip urls for different environments and deletes Paperclip images created by Rspec tests after testing suite ends.
adds filtering on properties index page.
fixes bug of empty photo creation upon property creation with no specified photo.
adds filtering to properties index page