added rails panel chrome extension for development
merging upstream
seed images added to db/seed_images/
added some new seed data
Merge pull request #30 from johnlok/navbar

New Seed Data
implemented link dropdown to filter and changed some css styles
Merge pull request #31 from kshimatsu/another_layout

Another layout
Merge pull request #32 from johnlok/navbar-style

implemented link dropdown to filter and changed some css styles
Welcome/instructional page appears on right panel