Update README.md

postgres step
Update README.md

move db create step to after the environment variables step
Add tour images
Added link to public collection description text.
Tutorial image page
Change holding cell background color
Change colors of info boxes on my collections page
add second tutorial page
modal tutorial assets
tutorial modal
Change browse to explore in nav
CSS practice. Thinner bar.

Conflicts:
	app/assets/stylesheets/directory/base.css.scss
Fixing conflict.
Skinny buttons for non-signed in users, too!

Skinny buttons for all.
Added privacy FAQ

will make pretty later
Add links for privacy faq
Update faq styles
Update FAQ language
Consistent use of "Upload"
Got the memo on ng-href