Fix  decimals view  in messages,offers, reqs and etc.
#417 offer picture
time zone record needs to be in seeds.rb for installation to work. related to gh-477
change scopes using ILIKE to use arel so sqlite works. related to gh-272
Merge pull request #501 from shpytalenko/nice_decimal

Fix  decimals view  in messages,offers, reqs and etc. related to gh-295
Merge pull request #502 from keating/picture

closes gh-417