added users section
updated practitioners section
Update users.md
Merge pull request #47 from redguava/users

Ready: Users
added products section
Update products.md
Update products.md
Update products.md
Update products.md
Update products.md
Added stock adjustment
Update products.md
Update readme.md
improved formatting
Update products.md
Update readme.md
Update products.md
Update products.md
Update products.md
Merge pull request #40 from redguava/products

Ready: Products