tweak grid borders (bug 998818)
make category nav background colour match that in mocks (bug 998818)
flatten and tweak button styles (bug 998818)
update with flatter icons for Firefox OS (bug 975535)
Merge pull request #4 from cvan/tweax

front-end UI tweaks
make should use bash
Include icons, screenshots, and screenshot thumbnails in package (Bug 998816)

Additionally removes cruft from db.js and db-transformer.js that was copied over from Darjeeling but is not relevant as a packaged app.
Merge pull request #6 from chuckharmston/imgfetch

Include icons, screenshots, and screenshot thumbnails in package (Bug 998816)
implement homepage local db
Merge pull request #5 from spasovski/uselocal

implement homepage local db, setup for testing locally only for now
add feedback/ToS buttons on homepage
fix homepage
descriptions on homepage, remove reviews from detail