Hide back button on splash page
Removed mention of dashboard in status message after submitting new pass
Redirect to get passes after successfully offering a pass
Add asynchronous page redirection after submit
Remove all unneccessary back buttons
Remove hamburger from sign in page
Add hamburgers to all pages except signin page
Merge pull request #53 from joshWyatt/fixBackButton

Add and remove back buttons and hamburgers where appropriate; redirect to my offers after submitting new offer